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authorDavid S. Miller <davem@davemloft.net>2012-10-02 23:02:10 -0400
committerDavid S. Miller <davem@davemloft.net>2012-10-02 23:02:10 -0400
commit954f9ac43b87b44152b8c21163cefd466a87145e (patch)
tree31c4197f975c66c96976948663e6ce844900b41a /kernel/debug/debug_core.c
parent1b62ca7bf5775bed048032b7e779561e1fe66aa0 (diff)
parent7fe0b14b725d6d09a1d9e1409bd465cb88b587f9 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
There's a Niagara 2 memcpy fix in this tree and I have a Kconfig fix from Dave Jones which requires the sparc-next changes which went upstream yesterday. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/debug/debug_core.c')
-rw-r--r--kernel/debug/debug_core.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 0557f24c6bc..17e073c309e 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -672,6 +672,10 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
{
struct kgdb_state kgdb_var;
struct kgdb_state *ks = &kgdb_var;
+ int ret = 0;
+
+ if (arch_kgdb_ops.enable_nmi)
+ arch_kgdb_ops.enable_nmi(0);
ks->cpu = raw_smp_processor_id();
ks->ex_vector = evector;
@@ -681,11 +685,15 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
ks->linux_regs = regs;
if (kgdb_reenter_check(ks))
- return 0; /* Ouch, double exception ! */
+ goto out; /* Ouch, double exception ! */
if (kgdb_info[ks->cpu].enter_kgdb != 0)
- return 0;
+ goto out;
- return kgdb_cpu_enter(ks, regs, DCPU_WANT_MASTER);
+ ret = kgdb_cpu_enter(ks, regs, DCPU_WANT_MASTER);
+out:
+ if (arch_kgdb_ops.enable_nmi)
+ arch_kgdb_ops.enable_nmi(1);
+ return ret;
}
int kgdb_nmicallback(int cpu, void *regs)