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| author |   Pekka Enberg <penberg@cs.helsinki.fi> | 2008-04-03 16:40:48 +0300 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-10-13 10:33:04 +0200 |
| commit | e2ce07c8042975e52df4cec1f41faf15b83f2e42 (patch) | |
| tree | 06c14a1fb16a8aec6b134961e7492761612ba32c /arch/x86/kernel/process_64.c | |
| parent | x86, UV: new UV genapic functions for x2apic (diff) | |
| download | linux-dev-e2ce07c8042975e52df4cec1f41faf15b83f2e42.tar.xz linux-dev-e2ce07c8042975e52df4cec1f41faf15b83f2e42.zip | |
x86: __show_registers() and __show_regs() API unification
Currently the low-level function to dump user-passed registers on i386 is
called __show_registers() whereas on x86-64 it's called __show_regs(). Unify
the API to simplify porting of kmemcheck to x86-64.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/process_64.c')
| -rw-r--r-- | arch/x86/kernel/process_64.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index ca80394ef5b8..cd8c0ed02b7e 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -136,7 +136,7 @@ void cpu_idle(void) } /* Prints also some state that isn't saved in the pt_regs */ -void __show_regs(struct pt_regs *regs) +void __show_regs(struct pt_regs *regs, int all) { unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L, fs, gs, shadowgs; unsigned long d0, d1, d2, d3, d6, d7; @@ -175,6 +175,9 @@ void __show_regs(struct pt_regs *regs) rdmsrl(MSR_GS_BASE, gs); rdmsrl(MSR_KERNEL_GS_BASE, shadowgs); + if (!all) + return; + cr0 = read_cr0(); cr2 = read_cr2(); cr3 = read_cr3(); @@ -200,7 +203,7 @@ void __show_regs(struct pt_regs *regs) void show_regs(struct pt_regs *regs) { printk(KERN_INFO "CPU %d:", smp_processor_id()); - __show_regs(regs); + __show_regs(regs, 1); show_trace(NULL, regs, (void *)(regs + 1), regs->bp); } |