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author | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-02-26 11:47:50 +0300 |
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committer | Vegard Nossum <vegard.nossum@gmail.com> | 2009-06-15 14:39:47 +0400 |
commit | 6a19638719b4272ac86589c4bb660fc92db03dae (patch) | |
tree | 4d61a47edfffa87c15b394e227a28f8fc278e231 /arch/x86/mm/kmemcheck | |
parent | 60e383931d41b0bccefdf318ffde8b49e343e9bc (diff) | |
download | linux-6a19638719b4272ac86589c4bb660fc92db03dae.tar.xz |
kmemcheck: remove forward declarations from error.c
This patch reorders code in error.c so that we can get rid of the forward
declarations.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Diffstat (limited to 'arch/x86/mm/kmemcheck')
-rw-r--r-- | arch/x86/mm/kmemcheck/error.c | 137 |
1 files changed, 68 insertions, 69 deletions
diff --git a/arch/x86/mm/kmemcheck/error.c b/arch/x86/mm/kmemcheck/error.c index 5ec9f5a93f47..4901d0dafda6 100644 --- a/arch/x86/mm/kmemcheck/error.c +++ b/arch/x86/mm/kmemcheck/error.c @@ -81,7 +81,74 @@ static struct kmemcheck_error *error_next_rd(void) return e; } -static void do_wakeup(unsigned long); +void kmemcheck_error_recall(void) +{ + static const char *desc[] = { + [KMEMCHECK_SHADOW_UNALLOCATED] = "unallocated", + [KMEMCHECK_SHADOW_UNINITIALIZED] = "uninitialized", + [KMEMCHECK_SHADOW_INITIALIZED] = "initialized", + [KMEMCHECK_SHADOW_FREED] = "freed", + }; + + static const char short_desc[] = { + [KMEMCHECK_SHADOW_UNALLOCATED] = 'a', + [KMEMCHECK_SHADOW_UNINITIALIZED] = 'u', + [KMEMCHECK_SHADOW_INITIALIZED] = 'i', + [KMEMCHECK_SHADOW_FREED] = 'f', + }; + + struct kmemcheck_error *e; + unsigned int i; + + e = error_next_rd(); + if (!e) + return; + + switch (e->type) { + case KMEMCHECK_ERROR_INVALID_ACCESS: + printk(KERN_ERR "WARNING: kmemcheck: Caught %d-bit read " + "from %s memory (%p)\n", + 8 * e->size, e->state < ARRAY_SIZE(desc) ? + desc[e->state] : "(invalid shadow state)", + (void *) e->address); + + printk(KERN_INFO); + for (i = 0; i < SHADOW_COPY_SIZE; ++i) + printk("%02x", e->memory_copy[i]); + printk("\n"); + + printk(KERN_INFO); + for (i = 0; i < SHADOW_COPY_SIZE; ++i) { + if (e->shadow_copy[i] < ARRAY_SIZE(short_desc)) + printk(" %c", short_desc[e->shadow_copy[i]]); + else + printk(" ?"); + } + printk("\n"); + printk(KERN_INFO "%*c\n", 2 + 2 + * (int) (e->address & (SHADOW_COPY_SIZE - 1)), '^'); + break; + case KMEMCHECK_ERROR_BUG: + printk(KERN_EMERG "ERROR: kmemcheck: Fatal error\n"); + break; + } + + __show_regs(&e->regs, 1); + print_stack_trace(&e->trace, 0); +} + +static void do_wakeup(unsigned long data) +{ + while (error_count > 0) + kmemcheck_error_recall(); + + if (error_missed_count > 0) { + printk(KERN_WARNING "kmemcheck: Lost %d error reports because " + "the queue was too small\n", error_missed_count); + error_missed_count = 0; + } +} + static DECLARE_TASKLET(kmemcheck_tasklet, &do_wakeup, 0); /* @@ -159,71 +226,3 @@ void kmemcheck_error_save_bug(struct pt_regs *regs) tasklet_hi_schedule_first(&kmemcheck_tasklet); } - -void kmemcheck_error_recall(void) -{ - static const char *desc[] = { - [KMEMCHECK_SHADOW_UNALLOCATED] = "unallocated", - [KMEMCHECK_SHADOW_UNINITIALIZED] = "uninitialized", - [KMEMCHECK_SHADOW_INITIALIZED] = "initialized", - [KMEMCHECK_SHADOW_FREED] = "freed", - }; - - static const char short_desc[] = { - [KMEMCHECK_SHADOW_UNALLOCATED] = 'a', - [KMEMCHECK_SHADOW_UNINITIALIZED] = 'u', - [KMEMCHECK_SHADOW_INITIALIZED] = 'i', - [KMEMCHECK_SHADOW_FREED] = 'f', - }; - - struct kmemcheck_error *e; - unsigned int i; - - e = error_next_rd(); - if (!e) - return; - - switch (e->type) { - case KMEMCHECK_ERROR_INVALID_ACCESS: - printk(KERN_ERR "WARNING: kmemcheck: Caught %d-bit read " - "from %s memory (%p)\n", - 8 * e->size, e->state < ARRAY_SIZE(desc) ? - desc[e->state] : "(invalid shadow state)", - (void *) e->address); - - printk(KERN_INFO); - for (i = 0; i < SHADOW_COPY_SIZE; ++i) - printk("%02x", e->memory_copy[i]); - printk("\n"); - - printk(KERN_INFO); - for (i = 0; i < SHADOW_COPY_SIZE; ++i) { - if (e->shadow_copy[i] < ARRAY_SIZE(short_desc)) - printk(" %c", short_desc[e->shadow_copy[i]]); - else - printk(" ?"); - } - printk("\n"); - printk(KERN_INFO "%*c\n", 2 + 2 - * (int) (e->address & (SHADOW_COPY_SIZE - 1)), '^'); - break; - case KMEMCHECK_ERROR_BUG: - printk(KERN_EMERG "ERROR: kmemcheck: Fatal error\n"); - break; - } - - __show_regs(&e->regs, 1); - print_stack_trace(&e->trace, 0); -} - -static void do_wakeup(unsigned long data) -{ - while (error_count > 0) - kmemcheck_error_recall(); - - if (error_missed_count > 0) { - printk(KERN_WARNING "kmemcheck: Lost %d error reports because " - "the queue was too small\n", error_missed_count); - error_missed_count = 0; - } -} |