Commit f2fe09b0 authored by Will Deacon's avatar Will Deacon Committed by Russell King
Browse files

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



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: default avatarChristoffer Dall <cdall@cs.columbia.edu>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 1a8e6118
...@@ -774,7 +774,7 @@ static const unsigned armv7_a7_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] ...@@ -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 */
/* /*
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment