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authorIngo Molnar <mingo@elte.hu>2009-03-06 16:44:14 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-06 16:45:01 +0100
commitf0ef03985130287c6c84ebe69416cf790e6cc00e (patch)
tree3ecb04cc4d82e5fc3ae5f1747e6da172ae8cbcb7 /arch/x86/xen/multicalls.c
parent16097439703bcd38e9fe5608c12add6dacb825ea (diff)
parent31bbed527e7039203920c51c9fb48c27aed0820c (diff)
Merge branch 'x86/core' into tracing/textedit
Conflicts: arch/x86/Kconfig block/blktrace.c kernel/irq/handle.c Semantic conflict: kernel/trace/blktrace.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/xen/multicalls.c')
-rw-r--r--arch/x86/xen/multicalls.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c
index c738644b543..8bff7e7c290 100644
--- a/arch/x86/xen/multicalls.c
+++ b/arch/x86/xen/multicalls.c
@@ -39,6 +39,7 @@ struct mc_buffer {
struct multicall_entry entries[MC_BATCH];
#if MC_DEBUG
struct multicall_entry debug[MC_BATCH];
+ void *caller[MC_BATCH];
#endif
unsigned char args[MC_ARGS];
struct callback {
@@ -154,11 +155,12 @@ void xen_mc_flush(void)
ret, smp_processor_id());
dump_stack();
for (i = 0; i < b->mcidx; i++) {
- printk(KERN_DEBUG " call %2d/%d: op=%lu arg=[%lx] result=%ld\n",
+ printk(KERN_DEBUG " call %2d/%d: op=%lu arg=[%lx] result=%ld\t%pF\n",
i+1, b->mcidx,
b->debug[i].op,
b->debug[i].args[0],
- b->entries[i].result);
+ b->entries[i].result,
+ b->caller[i]);
}
}
#endif
@@ -168,8 +170,6 @@ void xen_mc_flush(void)
} else
BUG_ON(b->argidx != 0);
- local_irq_restore(flags);
-
for (i = 0; i < b->cbidx; i++) {
struct callback *cb = &b->callbacks[i];
@@ -177,7 +177,9 @@ void xen_mc_flush(void)
}
b->cbidx = 0;
- BUG_ON(ret);
+ local_irq_restore(flags);
+
+ WARN_ON(ret);
}
struct multicall_space __xen_mc_entry(size_t args)
@@ -197,6 +199,9 @@ struct multicall_space __xen_mc_entry(size_t args)
}
ret.mc = &b->entries[b->mcidx];
+#ifdef MC_DEBUG
+ b->caller[b->mcidx] = __builtin_return_address(0);
+#endif
b->mcidx++;
ret.args = &b->args[argidx];
b->argidx = argidx + args;