Messages in this thread | | | Subject | Re: [PATCH 5/6] arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register | From | Anshuman Khandual <> | Date | Thu, 2 Apr 2020 08:30:25 +0530 |
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On 03/20/2020 11:49 PM, Suzuki K Poulose wrote: > On 01/28/2020 12:39 PM, Anshuman Khandual wrote: >> ID_DFR0 based TraceFilt feature should not be exposed. > > ... to guests. > > Hence lets drop it.
Sure, will do.
> > Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> > >> >> Cc: Catalin Marinas <catalin.marinas@arm.com> >> Cc: Will Deacon <will@kernel.org> >> Cc: James Morse <james.morse@arm.com> >> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> >> Cc: Marc Zyngier <maz@kernel.org> >> Cc: Mark Rutland <mark.rutland@arm.com> >> Cc: linux-kernel@vger.kernel.org >> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> >> --- >> arch/arm64/kernel/cpufeature.c | 1 - >> 1 file changed, 1 deletion(-) >> >> diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c >> index 2726bd6441da..a8ded1f0eeaf 100644 >> --- a/arch/arm64/kernel/cpufeature.c >> +++ b/arch/arm64/kernel/cpufeature.c >> @@ -374,7 +374,6 @@ static const struct arm64_ftr_bits ftr_id_pfr2[] = { >> }; >> static const struct arm64_ftr_bits ftr_id_dfr0[] = { >> - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 28, 4, 0), >> 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), >> > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
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