Ingo, Here is a patch for a build error on hardware breakpoints. Thanks. Frederic Weisbecker (1): hw-breakpoints: fix undeclared ksym_tracer_mutex kernel/trace/trace_ksym.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) The following changes since commit 62edab9056a6cf0c9207339c8892c923a5217e45: K.Prasad (1): hw-breakpoints: reset bits in dr6 after the corresponding exception is handled are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git hw-breakpoints-2 Frederic Weisbecker (1): hw-breakpoints: fix undeclared ksym_tracer_mutex kernel/trace/trace_ksym.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) --- >From 73874005cd8800440be4299bd095387fff4b90ac Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Wed, 3 Jun 2009 01:43:38 +0200 Subject: [PATCH] hw-breakpoints: fix undeclared ksym_tracer_mutex MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit ksym_tracer_mutex is declared inside an #ifdef CONFIG_PROFILE_KSYM_TRACER section. This makes it unavailable for the hardware breakpoint tracer if it is configured without the breakpoint profiler. This patch fixes the following build error: kernel/trace/trace_ksym.c: In function ‘ksym_trace_filter_read’: kernel/trace/trace_ksym.c:226: erreur: ‘ksym_tracer_mutex’ undeclared (first use in this function) kernel/trace/trace_ksym.c:226: erreur: (Each undeclared identifier is reported only once kernel/trace/trace_ksym.c:226: erreur: for each function it appears in.) kernel/trace/trace_ksym.c: In function ‘ksym_trace_filter_write’: kernel/trace/trace_ksym.c:273: erreur: ‘ksym_tracer_mutex’ undeclared (first use in this function) kernel/trace/trace_ksym.c: In function ‘ksym_trace_reset’: kernel/trace/trace_ksym.c:335: erreur: ‘ksym_tracer_mutex’ undeclared (first use in this function) make[1]: *** [kernel/trace/trace_ksym.o] Erreur 1 [ Impact: fix a build error ] Reported-by: Ingo Molnar Signed-off-by: Frederic Weisbecker --- kernel/trace/trace_ksym.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_ksym.c b/kernel/trace/trace_ksym.c index 11c74f6..eef97e7 100644 --- a/kernel/trace/trace_ksym.c +++ b/kernel/trace/trace_ksym.c @@ -44,12 +44,12 @@ static unsigned int ksym_tracing_enabled; static HLIST_HEAD(ksym_filter_head); +static DEFINE_MUTEX(ksym_tracer_mutex); + #ifdef CONFIG_PROFILE_KSYM_TRACER #define MAX_UL_INT 0xffffffff -static DEFINE_MUTEX(ksym_tracer_mutex); - void ksym_collect_stats(unsigned long hbp_hit_addr) { struct hlist_node *node; -- 1.6.2.3