diff options
author | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-04-14 12:00:36 -0300 |
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committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-04-14 12:00:36 -0300 |
commit | 277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch) | |
tree | ccfd357d152292958957b6b8a993892e7a8cc95f /kernel/debug/debug_core.c | |
parent | a83b93a7480441a47856dc9104bea970e84cda87 (diff) | |
parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) |
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1
* tag 'v3.15-rc1': (12180 commits)
Linux 3.15-rc1
mm: Initialize error in shmem_file_aio_read()
cifs: Use min_t() when comparing "size_t" and "unsigned long"
sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue
powerpc: Don't try to set LPCR unless we're in hypervisor mode
futex: update documentation for ordering guarantees
ceph: fix pr_fmt() redefinition
vti: don't allow to add the same tunnel twice
gre: don't allow to add the same tunnel twice
drivers: net: xen-netfront: fix array initialization bug
missing bits of "splice: fix racy pipe->buffers uses"
cifs: fix the race in cifs_writev()
ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
pktgen: be friendly to LLTX devices
r8152: check RTL8152_UNPLUG
net: sun4i-emac: add promiscuous support
net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
blackfin: cleanup board files
bf609: clock: drop unused clock bit set/clear functions
Blackfin: bf537: rename "CONFIG_ADT75"
...
Diffstat (limited to 'kernel/debug/debug_core.c')
-rw-r--r-- | kernel/debug/debug_core.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c index 334b3980ffc..2956c8da160 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); } @@ -1035,7 +1043,7 @@ int dbg_io_get_char(void) * otherwise as a quick means to stop program execution and "break" into * the debugger. */ -void kgdb_breakpoint(void) +noinline void kgdb_breakpoint(void) { atomic_inc(&kgdb_setting_breakpoint); wmb(); /* Sync point before breakpoint */ |