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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-12-08 09:58:33 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-12-08 09:59:24 +0000
commitec208491936d6adb8a70c3dd4a517cdfe54e823d (patch)
treec7291450e8e559c5fbf3360df30999432204af3c /kernel/trace/trace_hw_branches.c
parentaa697079ee66315c4b9747a5eb3e48487fb1b8be (diff)
parent7b626acb8f983eb83b396ab96cc24b18d635d487 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Merge the BIOS workarounds from 2.6.32, and the swiotlb fallback on failure.
Diffstat (limited to 'kernel/trace/trace_hw_branches.c')
-rw-r--r--kernel/trace/trace_hw_branches.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index 23b63859130..69543a905cd 100644
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -165,6 +165,7 @@ void trace_hw_branch(u64 from, u64 to)
struct ftrace_event_call *call = &event_hw_branch;
struct trace_array *tr = hw_branch_trace;
struct ring_buffer_event *event;
+ struct ring_buffer *buf;
struct hw_branch_entry *entry;
unsigned long irq1;
int cpu;
@@ -180,7 +181,8 @@ void trace_hw_branch(u64 from, u64 to)
if (atomic_inc_return(&tr->data[cpu]->disabled) != 1)
goto out;
- event = trace_buffer_lock_reserve(tr, TRACE_HW_BRANCHES,
+ buf = tr->buffer;
+ event = trace_buffer_lock_reserve(buf, TRACE_HW_BRANCHES,
sizeof(*entry), 0, 0);
if (!event)
goto out;
@@ -189,8 +191,8 @@ void trace_hw_branch(u64 from, u64 to)
entry->ent.type = TRACE_HW_BRANCHES;
entry->from = from;
entry->to = to;
- if (!filter_check_discard(call, entry, tr->buffer, event))
- trace_buffer_unlock_commit(tr, event, 0, 0);
+ if (!filter_check_discard(call, entry, buf, event))
+ trace_buffer_unlock_commit(buf, event, 0, 0);
out:
atomic_dec(&tr->data[cpu]->disabled);