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authorTong Tiangen <[email protected]>2024-02-04 16:26:25 +0800
committerBorislav Petkov (AMD) <[email protected]>2024-04-04 17:01:40 +0200
commitcb517619f96718a4c3c2534a3124177633f8998d (patch)
tree2b18555567f5c29164471bff21f2f868f3fb75bd /arch/x86/mm/extable.c
parent62fbc013c185896080bc5c7f6dfb26f0746eb217 (diff)
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 <[email protected]> Signed-off-by: Borislav Petkov (AMD) <[email protected]> Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'arch/x86/mm/extable.c')
-rw-r--r--arch/x86/mm/extable.c9
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: