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authorPekka Enberg <penberg@cs.helsinki.fi>2008-04-03 16:40:48 +0300
committerIngo Molnar <mingo@elte.hu>2008-10-13 10:33:04 +0200
commite2ce07c8042975e52df4cec1f41faf15b83f2e42 (patch)
tree06c14a1fb16a8aec6b134961e7492761612ba32c /arch/x86
parent1e0b5d00b230ceffe1bb33284b46b8572e418423 (diff)
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')
-rw-r--r--arch/x86/kernel/process_32.c4
-rw-r--r--arch/x86/kernel/process_64.c7
-rw-r--r--arch/x86/kernel/traps_32.c2
-rw-r--r--arch/x86/kernel/traps_64.c2
4 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 922c14058f97..0a1302fe6d45 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -123,7 +123,7 @@ void cpu_idle(void)
}
}
-void __show_registers(struct pt_regs *regs, int all)
+void __show_regs(struct pt_regs *regs, int all)
{
unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;
unsigned long d0, d1, d2, d3, d6, d7;
@@ -189,7 +189,7 @@ void __show_registers(struct pt_regs *regs, int all)
void show_regs(struct pt_regs *regs)
{
- __show_registers(regs, 1);
+ __show_regs(regs, 1);
show_trace(NULL, regs, &regs->sp, regs->bp);
}
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);
}
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index bf4d71231d40..4f0831593e32 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -319,7 +319,7 @@ void show_registers(struct pt_regs *regs)
int i;
print_modules();
- __show_registers(regs, 0);
+ __show_regs(regs, 0);
printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)",
TASK_COMM_LEN, current->comm, task_pid_nr(current),
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index 1efd1ea64663..729157ee4c17 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -430,7 +430,7 @@ void show_registers(struct pt_regs *regs)
sp = regs->sp;
printk("CPU %d ", cpu);
- __show_regs(regs);
+ __show_regs(regs, 1);
printk("Process %s (pid: %d, threadinfo %p, task %p)\n",
cur->comm, cur->pid, task_thread_info(cur), cur);