usb gadgetfs EFAULT error bugfix #299
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metux
added a commit
to metux/linux
that referenced
this pull request
Apr 30, 2019
Fix checkpatch errors:
ERROR: else should follow close brace '}'
torvalds#121: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c:121:
+ }
+ else
WARNING: line over 80 characters
torvalds#150: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c:150:
+ pinfo->tx_fifosize), (void __force *)pinfo->mem_addr,
WARNING: Block comments should align the * on each line
torvalds#66: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:66:
+ * Check, if transmit buffers are processed
+*/
WARNING: braces {} are not necessary for any arm of this statement
torvalds#170: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:170:
+ if (IS_SMC(pinfo)) {
[...]
+ } else {
[...]
WARNING: labels should not be indented
torvalds#292: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:292:
+ error_return:
ERROR: code indent should use tabs where possible
torvalds#299: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:299:
+^I^I BD_SC_OV | BD_SC_ID);$
WARNING: labels should not be indented
torvalds#319: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:319:
+ handle_error:
WARNING: line over 80 characters
torvalds#423: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:423:
+ setbits32(&pinfo->sccp->scc_gsmrl, (SCC_GSMRL_ENR | SCC_GSMRL_ENT));
ERROR: space required before the open parenthesis '('
torvalds#451: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:451:
+ while(!cpm_uart_tx_empty(port)) {
WARNING: Missing a blank line after declarations
torvalds#462: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:462:
+ smc_t __iomem *smcp = pinfo->smcp;
+ clrbits16(&smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
WARNING: line over 80 characters
torvalds#466: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:466:
+ clrbits32(&sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
WARNING: Missing a blank line after declarations
torvalds#466: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:466:
+ scc_t __iomem *sccp = pinfo->sccp;
+ clrbits32(&sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
ERROR: code indent should use tabs where possible
torvalds#484: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:484:
+ struct ktermios *termios,$
WARNING: please, no spaces at the start of a line
torvalds#484: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:484:
+ struct ktermios *termios,$
ERROR: code indent should use tabs where possible
torvalds#485: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:485:
+ struct ktermios *old)$
WARNING: please, no spaces at the start of a line
torvalds#485: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:485:
+ struct ktermios *old)$
WARNING: line over 80 characters
torvalds#624: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:624:
+ /* Output in *one* operation, so we don't interrupt RX/TX if they
WARNING: Block comments use a trailing */ on a separate line
torvalds#625: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:625:
+ * were already enabled. */
WARNING: line over 80 characters
torvalds#629: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:629:
+ out_be16(&pinfo->sccup->scc_genscc.scc_mrblr, pinfo->rx_fifosize);
WARNING: line over 80 characters
torvalds#773: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:773:
+ mem_addr = pinfo->mem_addr + L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize);
ERROR: code indent should use tabs where possible
torvalds#797: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:797:
+^I (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE);$
ERROR: code indent should use tabs where possible
torvalds#799: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:799:
+^I (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);$
ERROR: code indent should use tabs where possible
torvalds#836: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:836:
+^I SCC_GSMRL_MODE_UART | SCC_GSMRL_TDCR_16 | SCC_GSMRL_RDCR_16);$
ERROR: code indent should use tabs where possible
torvalds#859: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:859:
+^I (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE);$
ERROR: code indent should use tabs where possible
torvalds#861: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:861:
+^I (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);$
WARNING: space prohibited between function name and open parenthesis '('
torvalds#866: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:866:
+#if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
WARNING: line over 80 characters
torvalds#921: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:921:
+ clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
WARNING: Missing a blank line after declarations
torvalds#462: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:462:
+ smc_t __iomem *smcp = pinfo->smcp;
+ clrbits16(&smcp->smc_smcmr,
WARNING: Missing a blank line after declarations
torvalds#467: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:467:
+ scc_t __iomem *sccp = pinfo->sccp;
+ clrbits32(&sccp->scc_gsmrl,
ERROR: code indent should use tabs where possible
torvalds#1151: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1151:
+ struct uart_cpm_port *pinfo)$
WARNING: please, no spaces at the start of a line
torvalds#1151: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1151:
+ struct uart_cpm_port *pinfo)$
ERROR: "(foo*)" should be "(foo *)"
torvalds#1161: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1161:
+ struct clk *clk = clk_get(NULL, (const char*)data);
WARNING: Missing a blank line after declarations
torvalds#1162: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1162:
+ struct clk *clk = clk_get(NULL, (const char*)data);
+ if (!IS_ERR(clk))
ERROR: code indent should use tabs where possible
torvalds#1169: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1169:
+^I^I^I "fsl,cpm-brg property.\n", np);$
ERROR: code indent should use tabs where possible
torvalds#1178: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1178:
+^I^I "fsl,cpm-command property.\n", np);$
ERROR: code indent should use tabs where possible
torvalds#1192: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1192:
WARNING: braces {} are not necessary for any arm of this statement
torvalds#1279: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1279:
+ if (unlikely(nolock)) {
[...]
+ } else {
[...]
WARNING: braces {} are not necessary for any arm of this statement
torvalds#1287: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1287:
+ if (unlikely(nolock)) {
[...]
+ } else {
[...]
WARNING: line over 80 characters
torvalds#1354: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1354:
+ clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
ERROR: Macros with complex values should be enclosed in parentheses
#1394: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1394:
+#define CPM_UART_CONSOLE &cpm_scc_uart_console
WARNING: Missing a blank line after declarations
#1437: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1437:
+ struct uart_cpm_port *pinfo = platform_get_drvdata(ofdev);
+ return uart_remove_one_port(&cpm_reg, &pinfo->port);
WARNING: please, no spaces at the start of a line
#1464: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1464:
+ };$
WARNING: Missing a blank line after declarations
#1469: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1469:
+ int ret = uart_register_driver(&cpm_reg);
+ if (ret)
WARNING: Missing a blank line after declarations
#1062: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1062:
+ int i;
+ volatile cbd_t *bdp;
ERROR: "foo * bar" should be "foo *bar"
torvalds#19: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h:19:
+static inline void cpm_set_scc_fcr(scc_uart_t __iomem * sup)
ERROR: "foo * bar" should be "foo *bar"
torvalds#25: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h:25:
+static inline void cpm_set_smc_fcr(smc_uart_t __iomem * up)
WARNING: Improper SPDX comment style for 'drivers/tty/serial/cpm_uart/cpm_uart.h', please use '/*' instead
#1: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:1:
+// SPDX-License-Identifier: GPL-2.0
WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#1: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:1:
+// SPDX-License-Identifier: GPL-2.0
WARNING: Block comments use * on subsequent lines
torvalds#106: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:106:
+/*
+ virtual to phys transtalion
ERROR: code indent should use tabs where possible
torvalds#109: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:109:
+ struct uart_cpm_port *pinfo)$
WARNING: please, no spaces at the start of a line
torvalds#109: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:109:
+ struct uart_cpm_port *pinfo)$
ERROR: code indent should use tabs where possible
torvalds#125: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:125:
+ struct uart_cpm_port *pinfo)$
WARNING: please, no spaces at the start of a line
torvalds#125: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:125:
+ struct uart_cpm_port *pinfo)$
Signed-off-by: Enrico Weigelt <[email protected]>
metux
added a commit
to metux/linux
that referenced
this pull request
Aug 20, 2019
Fix checkpatch errors:
ERROR: else should follow close brace '}'
torvalds#121: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c:121:
+ }
+ else
WARNING: line over 80 characters
torvalds#150: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c:150:
+ pinfo->tx_fifosize), (void __force *)pinfo->mem_addr,
WARNING: Block comments should align the * on each line
torvalds#66: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:66:
+ * Check, if transmit buffers are processed
+*/
WARNING: braces {} are not necessary for any arm of this statement
torvalds#170: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:170:
+ if (IS_SMC(pinfo)) {
[...]
+ } else {
[...]
WARNING: labels should not be indented
torvalds#292: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:292:
+ error_return:
ERROR: code indent should use tabs where possible
torvalds#299: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:299:
+^I^I BD_SC_OV | BD_SC_ID);$
WARNING: labels should not be indented
torvalds#319: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:319:
+ handle_error:
WARNING: line over 80 characters
torvalds#423: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:423:
+ setbits32(&pinfo->sccp->scc_gsmrl, (SCC_GSMRL_ENR | SCC_GSMRL_ENT));
ERROR: space required before the open parenthesis '('
torvalds#451: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:451:
+ while(!cpm_uart_tx_empty(port)) {
WARNING: Missing a blank line after declarations
torvalds#462: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:462:
+ smc_t __iomem *smcp = pinfo->smcp;
+ clrbits16(&smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
WARNING: line over 80 characters
torvalds#466: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:466:
+ clrbits32(&sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
WARNING: Missing a blank line after declarations
torvalds#466: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:466:
+ scc_t __iomem *sccp = pinfo->sccp;
+ clrbits32(&sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
ERROR: code indent should use tabs where possible
torvalds#484: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:484:
+ struct ktermios *termios,$
WARNING: please, no spaces at the start of a line
torvalds#484: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:484:
+ struct ktermios *termios,$
ERROR: code indent should use tabs where possible
torvalds#485: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:485:
+ struct ktermios *old)$
WARNING: please, no spaces at the start of a line
torvalds#485: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:485:
+ struct ktermios *old)$
WARNING: line over 80 characters
torvalds#624: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:624:
+ /* Output in *one* operation, so we don't interrupt RX/TX if they
WARNING: Block comments use a trailing */ on a separate line
torvalds#625: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:625:
+ * were already enabled. */
WARNING: line over 80 characters
torvalds#629: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:629:
+ out_be16(&pinfo->sccup->scc_genscc.scc_mrblr, pinfo->rx_fifosize);
WARNING: line over 80 characters
torvalds#773: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:773:
+ mem_addr = pinfo->mem_addr + L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize);
ERROR: code indent should use tabs where possible
torvalds#797: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:797:
+^I (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE);$
ERROR: code indent should use tabs where possible
torvalds#799: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:799:
+^I (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);$
ERROR: code indent should use tabs where possible
torvalds#836: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:836:
+^I SCC_GSMRL_MODE_UART | SCC_GSMRL_TDCR_16 | SCC_GSMRL_RDCR_16);$
ERROR: code indent should use tabs where possible
torvalds#859: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:859:
+^I (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE);$
ERROR: code indent should use tabs where possible
torvalds#861: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:861:
+^I (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);$
WARNING: space prohibited between function name and open parenthesis '('
torvalds#866: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:866:
+#if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
WARNING: line over 80 characters
torvalds#921: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:921:
+ clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
WARNING: Missing a blank line after declarations
torvalds#462: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:462:
+ smc_t __iomem *smcp = pinfo->smcp;
+ clrbits16(&smcp->smc_smcmr,
WARNING: Missing a blank line after declarations
torvalds#467: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:467:
+ scc_t __iomem *sccp = pinfo->sccp;
+ clrbits32(&sccp->scc_gsmrl,
ERROR: code indent should use tabs where possible
torvalds#1151: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1151:
+ struct uart_cpm_port *pinfo)$
WARNING: please, no spaces at the start of a line
torvalds#1151: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1151:
+ struct uart_cpm_port *pinfo)$
ERROR: "(foo*)" should be "(foo *)"
torvalds#1161: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1161:
+ struct clk *clk = clk_get(NULL, (const char*)data);
WARNING: Missing a blank line after declarations
torvalds#1162: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1162:
+ struct clk *clk = clk_get(NULL, (const char*)data);
+ if (!IS_ERR(clk))
ERROR: code indent should use tabs where possible
torvalds#1169: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1169:
+^I^I^I "fsl,cpm-brg property.\n", np);$
ERROR: code indent should use tabs where possible
torvalds#1178: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1178:
+^I^I "fsl,cpm-command property.\n", np);$
ERROR: code indent should use tabs where possible
torvalds#1192: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1192:
WARNING: braces {} are not necessary for any arm of this statement
torvalds#1279: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1279:
+ if (unlikely(nolock)) {
[...]
+ } else {
[...]
WARNING: braces {} are not necessary for any arm of this statement
torvalds#1287: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1287:
+ if (unlikely(nolock)) {
[...]
+ } else {
[...]
WARNING: line over 80 characters
torvalds#1354: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1354:
+ clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
ERROR: Macros with complex values should be enclosed in parentheses
#1394: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1394:
+#define CPM_UART_CONSOLE &cpm_scc_uart_console
WARNING: Missing a blank line after declarations
#1437: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1437:
+ struct uart_cpm_port *pinfo = platform_get_drvdata(ofdev);
+ return uart_remove_one_port(&cpm_reg, &pinfo->port);
WARNING: please, no spaces at the start of a line
#1464: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1464:
+ };$
WARNING: Missing a blank line after declarations
#1469: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1469:
+ int ret = uart_register_driver(&cpm_reg);
+ if (ret)
WARNING: Missing a blank line after declarations
#1062: FILE: drivers/tty/serial/cpm_uart/cpm_uart_core.c:1062:
+ int i;
+ volatile cbd_t *bdp;
ERROR: "foo * bar" should be "foo *bar"
torvalds#19: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h:19:
+static inline void cpm_set_scc_fcr(scc_uart_t __iomem * sup)
ERROR: "foo * bar" should be "foo *bar"
torvalds#25: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h:25:
+static inline void cpm_set_smc_fcr(smc_uart_t __iomem * up)
WARNING: Improper SPDX comment style for 'drivers/tty/serial/cpm_uart/cpm_uart.h', please use '/*' instead
#1: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:1:
+// SPDX-License-Identifier: GPL-2.0
WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#1: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:1:
+// SPDX-License-Identifier: GPL-2.0
WARNING: Block comments use * on subsequent lines
torvalds#106: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:106:
+/*
+ virtual to phys transtalion
ERROR: code indent should use tabs where possible
torvalds#109: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:109:
+ struct uart_cpm_port *pinfo)$
WARNING: please, no spaces at the start of a line
torvalds#109: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:109:
+ struct uart_cpm_port *pinfo)$
ERROR: code indent should use tabs where possible
torvalds#125: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:125:
+ struct uart_cpm_port *pinfo)$
WARNING: please, no spaces at the start of a line
torvalds#125: FILE: drivers/tty/serial/cpm_uart/cpm_uart.h:125:
+ struct uart_cpm_port *pinfo)$
Signed-off-by: Enrico Weigelt <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Sep 23, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Sep 23, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Sep 23, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
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this pull request
Sep 24, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Sep 25, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Sep 27, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Sep 27, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 1, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 10, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
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this pull request
Oct 11, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 15, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
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this pull request
Oct 20, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 21, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 21, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 21, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 27, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 27, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 27, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 27, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Oct 27, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
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this pull request
Oct 28, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
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this pull request
Oct 30, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
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this pull request
Nov 3, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
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Nov 5, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
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Nov 5, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
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Nov 7, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
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Nov 15, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
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this pull request
Nov 16, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Nov 20, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
guidosarducci
added a commit
to guidosarducci/linux
that referenced
this pull request
Nov 22, 2025
Current JIT includes fall-back code for byte-swapping on older ARM archs, but fails tests from module test_bpf: test_bpf: torvalds#299 ALU_END_FROM_BE 64: 0x0123456789abcdef >> 32 -> 0x01234567 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#303 ALU_END_FROM_BE 64: 0xfedcba9876543210 >> 32 -> 0xfedcba98 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) test_bpf: torvalds#315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 ret 4530944 != -271733879 (0x452300 != 0xefcdab89)FAIL (1 times) test_bpf: torvalds#319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 ret 12246016 != 271733878 (0xbadc00 != 0x10325476)FAIL (1 times) These problems can be traced back to emit_rev32(). Rewrite as simpler code, going from 10 insns to 4 and dropping use of 2 temp registers, while also fixing the test failures above. Signed-off-by: Tony Ambardar <[email protected]>
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copy_to_iter() returns number of bytes copied