diff options
| author | Anshuman Khandual <[email protected]> | 2020-05-19 15:10:39 +0530 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2020-05-21 15:47:11 +0100 |
| commit | 1ed1b90a0594c8c9d31e8bb8be25a2b37717dc9e (patch) | |
| tree | 1d4ebabc335ce9ac72d4457a5cd5744a4be28a38 | |
| parent | 2a5bc6c47bc3b1bcdab5bef7e74fbb74d17dc618 (diff) | |
arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register
ID_DFR0 based TraceFilt feature should not be exposed to guests. Hence lets
drop it.
Cc: Catalin Marinas <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: James Morse <[email protected]>
Cc: Suzuki K Poulose <[email protected]>
Cc: [email protected]
Cc: [email protected]
Suggested-by: Mark Rutland <[email protected]>
Signed-off-by: Anshuman Khandual <[email protected]>
Reviewed-by: Suzuki K Poulose <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>
| -rw-r--r-- | arch/arm64/kernel/cpufeature.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 420cd68d9ba4..b3fceca408e5 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -440,7 +440,7 @@ static const struct arm64_ftr_bits ftr_id_pfr1[] = { }; static const struct arm64_ftr_bits ftr_id_dfr0[] = { - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 28, 4, 0), + /* [31:28] TraceFilt */ S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 24, 4, 0xf), /* PerfMon */ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 20, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 16, 4, 0), |