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[PW_SID:1091951] [v2] riscv: misaligned: Restore epc in error path#1894

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[PW_SID:1091951] [v2] riscv: misaligned: Restore epc in error path#1894
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@linux-riscv-bot linux-riscv-bot commented May 9, 2026

PR for series 1091951 applied to workflow__riscv__fixes

Name: [v2] riscv: misaligned: Restore epc in error path
URL: https://patchwork.kernel.org/project/linux-riscv/list/?series=1091951
Version: 2

Linux RISC-V bot and others added 2 commits May 2, 2026 08:13
Adding CI files
2c3b264
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riscv: misaligned: Restore epc in error path
5be708f 
In handle_scalar_misaligned_store/load, regs->epc is temporarily set to
0. And be restored in the first error path.  But it not restore for the
rest of the error path. This cause the epc corrupted.

Fix this by restore epc in fp error and copy_from_user error.

Fixes: 7c586a5 ("riscv: add floating point insn support to misaligned access emulation")
Fixes: 4413815 ("riscv: misaligned: remove CONFIG_RISCV_M_MODE specific code")
Assisted-by: Gemini:gemini-3.1-pro
Signed-off-by: Zishun Yi <vulab@iscas.ac.cn>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 113.41 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 1100.27 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1624.39 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 19.30 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 20.74 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 0.63 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 75.87 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 0.23 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
kdoc
Desc: Detects for kdoc errors
Duration: 0.71 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
module-param
Desc: Detect module_param changes
Duration: 0.24 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.27 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: misaligned: Restore epc in error path"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.26 seconds
Result: PASS

@linux-riscv-bot linux-riscv-bot force-pushed the workflow__riscv__fixes branch from 2c3b264 to 2d4fcdd Compare May 10, 2026 02:08
@linux-riscv-bot linux-riscv-bot deleted the pw1091951 branch May 11, 2026 13:30
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