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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-16 16:50:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-16 16:50:38 -0700
commitce6a01c2d50e1d400cb6d492841f9b1932034fc2 (patch)
tree16a8fd6f9250b019daa9afaacb33fe42e2d01a74 /arch
parentbc231d9ede99518b67a77544d9084f15b898fe2e (diff)
parent096a8b6d5e7ab9f8ca3d2474b3ca6a1fe79e0371 (diff)
Merge tag 'metag-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull metag architecture updates from James Hogan: "Three minor fixes: - removal of stale comment - fix build for Meta1 when perf events are enabled - fix inline asm constraint in atomics" * tag 'metag-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: metag: Fix atomic_*_return inline asm constraints metag: perf: fix build on Meta1 metag: ftrace: remove the misleading comment for ftrace_dyn_arch_init
Diffstat (limited to 'arch')
-rw-r--r--arch/metag/include/asm/atomic_lnkget.h2
-rw-r--r--arch/metag/kernel/ftrace.c1
-rw-r--r--arch/metag/kernel/perf/perf_event.c3
3 files changed, 4 insertions, 2 deletions
diff --git a/arch/metag/include/asm/atomic_lnkget.h b/arch/metag/include/asm/atomic_lnkget.h
index a62581815624..88fa25fae8bd 100644
--- a/arch/metag/include/asm/atomic_lnkget.h
+++ b/arch/metag/include/asm/atomic_lnkget.h
@@ -61,7 +61,7 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
" CMPT %0, #HI(0x02000000)\n" \
" BNZ 1b\n" \
: "=&d" (temp), "=&da" (result) \
- : "da" (&v->counter), "bd" (i) \
+ : "da" (&v->counter), "br" (i) \
: "cc"); \
\
smp_mb(); \
diff --git a/arch/metag/kernel/ftrace.c b/arch/metag/kernel/ftrace.c
index ac8c039b0318..f7b23d300881 100644
--- a/arch/metag/kernel/ftrace.c
+++ b/arch/metag/kernel/ftrace.c
@@ -115,7 +115,6 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
return ftrace_modify_code(ip, old, new);
}
-/* run from kstop_machine */
int __init ftrace_dyn_arch_init(void)
{
return 0;
diff --git a/arch/metag/kernel/perf/perf_event.c b/arch/metag/kernel/perf/perf_event.c
index 2478ec6d23c9..33a365f924be 100644
--- a/arch/metag/kernel/perf/perf_event.c
+++ b/arch/metag/kernel/perf/perf_event.c
@@ -618,6 +618,8 @@ static void metag_pmu_enable_counter(struct hw_perf_event *event, int idx)
/* Check for a core internal or performance channel event. */
if (tmp) {
+ /* PERF_ICORE/PERF_CHAN only exist since Meta2 */
+#ifdef METAC_2_1
void *perf_addr;
/*
@@ -640,6 +642,7 @@ static void metag_pmu_enable_counter(struct hw_perf_event *event, int idx)
if (perf_addr)
metag_out32((config & 0x0f), perf_addr);
+#endif
/*
* Now we use the high nibble as the performance event to