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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-14 03:23:01 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-14 03:23:01 (GMT)
commit93c222c0e126c1c24ac454acf013f2c85e57bd8b (patch)
tree920c429de92857aaf74e64a0f4f9fbaec7032fcf /arch/arm64/include/asm/hw_breakpoint.h
parentf89c2b39ce676cb08b6ed8848cde76dcb21cc672 (diff)
parent9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff)
downloadlinux-93c222c0e126c1c24ac454acf013f2c85e57bd8b.tar.xz
Merge 4.4-rc5 into staging-next
We want those fixes in here for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64/include/asm/hw_breakpoint.h')
-rw-r--r--arch/arm64/include/asm/hw_breakpoint.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/hw_breakpoint.h b/arch/arm64/include/asm/hw_breakpoint.h
index e54415e..9732908 100644
--- a/arch/arm64/include/asm/hw_breakpoint.h
+++ b/arch/arm64/include/asm/hw_breakpoint.h
@@ -138,16 +138,18 @@ extern struct pmu perf_ops_bp;
/* Determine number of BRP registers available. */
static inline int get_num_brps(void)
{
+ u64 dfr0 = read_system_reg(SYS_ID_AA64DFR0_EL1);
return 1 +
- cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1),
+ cpuid_feature_extract_unsigned_field(dfr0,
ID_AA64DFR0_BRPS_SHIFT);
}
/* Determine number of WRP registers available. */
static inline int get_num_wrps(void)
{
+ u64 dfr0 = read_system_reg(SYS_ID_AA64DFR0_EL1);
return 1 +
- cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1),
+ cpuid_feature_extract_unsigned_field(dfr0,
ID_AA64DFR0_WRPS_SHIFT);
}