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| author | Harvey Harrison <harvey.harrison@gmail.com> | 2008-01-30 12:32:59 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 12:32:59 (GMT) |
| commit | b3a5acc17c4ad9c28c00ee5e5271de1b1285d22b (patch) | |
| tree | 409780f5604ed756327923126b2d1563ed13423b /arch/x86/kernel/traps_64.c | |
| parent | 318aa296c329625916c47703eab906d6ebf13930 (diff) | |
| download | linux-fsl-qoriq-b3a5acc17c4ad9c28c00ee5e5271de1b1285d22b.tar.xz | |
x86: use fixup_exception() in traps_64.c
Use the fixup_exception() helper instead of the open-coded
search_extable() users.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/traps_64.c')
| -rw-r--r-- | arch/x86/kernel/traps_64.c | 47 |
1 files changed, 15 insertions, 32 deletions
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 7118fa0..37b07d0 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -601,19 +601,12 @@ static void __kprobes do_trap(int trapnr, int signr, char *str, } - /* kernel trap */ - { - const struct exception_table_entry *fixup; - fixup = search_exception_tables(regs->ip); - if (fixup) - regs->ip = fixup->fixup; - else { - tsk->thread.error_code = error_code; - tsk->thread.trap_no = trapnr; - die(str, regs, error_code); - } - return; + if (!fixup_exception(regs)) { + tsk->thread.error_code = error_code; + tsk->thread.trap_no = trapnr; + die(str, regs, error_code); } + return; } #define DO_ERROR(trapnr, signr, str, name) \ @@ -703,22 +696,15 @@ asmlinkage void __kprobes do_general_protection(struct pt_regs * regs, return; } - /* kernel gp */ - { - const struct exception_table_entry *fixup; - fixup = search_exception_tables(regs->ip); - if (fixup) { - regs->ip = fixup->fixup; - return; - } + if (fixup_exception(regs)) + return; - tsk->thread.error_code = error_code; - tsk->thread.trap_no = 13; - if (notify_die(DIE_GPF, "general protection fault", regs, - error_code, 13, SIGSEGV) == NOTIFY_STOP) - return; - die("general protection fault", regs, error_code); - } + tsk->thread.error_code = error_code; + tsk->thread.trap_no = 13; + if (notify_die(DIE_GPF, "general protection fault", regs, + error_code, 13, SIGSEGV) == NOTIFY_STOP) + return; + die("general protection fault", regs, error_code); } static __kprobes void @@ -910,12 +896,9 @@ clear_TF_reenable: static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr) { - const struct exception_table_entry *fixup; - fixup = search_exception_tables(regs->ip); - if (fixup) { - regs->ip = fixup->fixup; + if (fixup_exception(regs)) return 1; - } + notify_die(DIE_GPF, str, regs, 0, trapnr, SIGFPE); /* Illegal floating point operation in the kernel */ current->thread.trap_no = trapnr; |