diff options
| author | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:12:06 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:19:22 (GMT) |
| commit | 6faa2909871d8937cb2f79a10e1b21ffe193fac1 (patch) | |
| tree | f558a94f1553814cc122ab8d9e04c0ebad5262a5 /kernel/debug | |
| parent | fcb2fb84301c673ee15ca04e7a2fc965712d49a0 (diff) | |
| download | linux-fsl-qoriq-6faa2909871d8937cb2f79a10e1b21ffe193fac1.tar.xz | |
Reset to 3.12.37
Diffstat (limited to 'kernel/debug')
| -rw-r--r-- | kernel/debug/debug_core.c | 14 | ||||
| -rw-r--r-- | kernel/debug/kdb/kdb_io.c | 6 |
2 files changed, 15 insertions, 5 deletions
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c index 0506d44..e911ec6 100644 --- a/kernel/debug/debug_core.c +++ b/kernel/debug/debug_core.c @@ -49,6 +49,7 @@ #include <linux/pid.h> #include <linux/smp.h> #include <linux/mm.h> +#include <linux/vmacache.h> #include <linux/rcupdate.h> #include <asm/cacheflush.h> @@ -224,10 +225,17 @@ static void kgdb_flush_swbreak_addr(unsigned long addr) if (!CACHE_FLUSH_IS_SAFE) return; - if (current->mm && current->mm->mmap_cache) { - flush_cache_range(current->mm->mmap_cache, - addr, addr + BREAK_INSTR_SIZE); + if (current->mm) { + int i; + + for (i = 0; i < VMACACHE_SIZE; i++) { + if (!current->vmacache[i]) + continue; + flush_cache_range(current->vmacache[i], + addr, addr + BREAK_INSTR_SIZE); + } } + /* Force flush instruction cache if it was outside the mm */ flush_icache_range(addr, addr + BREAK_INSTR_SIZE); } diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index 399dba6..14ff484 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -554,6 +554,7 @@ int vkdb_printf(const char *fmt, va_list ap) int linecount; int colcount; int logging, saved_loglevel = 0; + int saved_trap_printk; int got_printf_lock = 0; int retlen = 0; int fnd, len; @@ -564,6 +565,8 @@ int vkdb_printf(const char *fmt, va_list ap) unsigned long uninitialized_var(flags); preempt_disable(); + saved_trap_printk = kdb_trap_printk; + kdb_trap_printk = 0; /* Serialize kdb_printf if multiple cpus try to write at once. * But if any cpu goes recursive in kdb, just print the output, @@ -830,6 +833,7 @@ kdb_print_out: } else { __release(kdb_printf_lock); } + kdb_trap_printk = saved_trap_printk; preempt_enable(); return retlen; } @@ -839,11 +843,9 @@ int kdb_printf(const char *fmt, ...) va_list ap; int r; - kdb_trap_printk++; va_start(ap, fmt); r = vkdb_printf(fmt, ap); va_end(ap); - kdb_trap_printk--; return r; } |