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| author | Tong Tiangen <tongtiangen@huawei.com> | 2024-02-04 11:26:25 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-04-04 18:01:40 +0300 |
| commit | cb517619f96718a4c3c2534a3124177633f8998d (patch) | |
| tree | 2b18555567f5c29164471bff21f2f868f3fb75bd /arch/x86/mm/extable.c | |
| parent | 62fbc013c185896080bc5c7f6dfb26f0746eb217 (diff) | |
| download | linux-cb517619f96718a4c3c2534a3124177633f8998d.tar.xz | |
x86/extable: Remove unused fixup type EX_TYPE_COPY
After
034ff37d3407 ("x86: rewrite '__copy_user_nocache' function")
rewrote __copy_user_nocache() to use EX_TYPE_UACCESS instead of the
EX_TYPE_COPY exception type, there are no more EX_TYPE_COPY users, so
remove it.
[ bp: Massage commit message. ]
Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240204082627.3892816-2-tongtiangen@huawei.com
Diffstat (limited to 'arch/x86/mm/extable.c')
| -rw-r--r-- | arch/x86/mm/extable.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c index b522933bfa56..51986e8a9d35 100644 --- a/arch/x86/mm/extable.c +++ b/arch/x86/mm/extable.c @@ -164,13 +164,6 @@ static bool ex_handler_uaccess(const struct exception_table_entry *fixup, return ex_handler_default(fixup, regs); } -static bool ex_handler_copy(const struct exception_table_entry *fixup, - struct pt_regs *regs, int trapnr) -{ - WARN_ONCE(trapnr == X86_TRAP_GP, "General protection fault in user access. Non-canonical address?"); - return ex_handler_fault(fixup, regs, trapnr); -} - static bool ex_handler_msr(const struct exception_table_entry *fixup, struct pt_regs *regs, bool wrmsr, bool safe, int reg) { @@ -341,8 +334,6 @@ int fixup_exception(struct pt_regs *regs, int trapnr, unsigned long error_code, return ex_handler_fault(e, regs, trapnr); case EX_TYPE_UACCESS: return ex_handler_uaccess(e, regs, trapnr, fault_addr); - case EX_TYPE_COPY: - return ex_handler_copy(e, regs, trapnr); case EX_TYPE_CLEAR_FS: return ex_handler_clear_fs(e, regs); case EX_TYPE_FPU_RESTORE: |