Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-11 06:31:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

ARM: 7663/1: perf: fix ARMv7 EVTYPE_MASK to include NSH bit

Browse Source 
Masked out PMXEVTYPER.NSH means that we can't enable profiling at PL2,
regardless of the settings in the HDCR.

This patch fixes the broken mask.

Cc: <stable@vger.kernel.org>
Reported-by: Christoffer Dall <cdall@cs.columbia.edu>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Will Deacon 2013-02-28 17:49:11 +01:00 committed by Russell King
parent 1a8e611874
commit f2fe09b055
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/kernel/perf_event_v7.c
View File

@ -774,7 +774,7 @@ static const unsigned armv7_a7_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
/* /*
* PMXEVTYPER: Event selection reg * PMXEVTYPER: Event selection reg
*/ */
#define ARMV7_EVTYPE_MASK 0xc00000ff /* Mask for writable bits */ #define ARMV7_EVTYPE_MASK 0xc80000ff /* Mask for writable bits */
#define ARMV7_EVTYPE_EVENT 0xff /* Mask for EVENT bits */ #define ARMV7_EVTYPE_EVENT 0xff /* Mask for EVENT bits */
/* /*