Messages in this thread | | | Date | Mon, 4 May 2020 21:24:54 +0100 | From | Will Deacon <> | Subject | Re: [PATCH V3 02/16] arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register |
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On Sat, May 02, 2020 at 07:03:51PM +0530, Anshuman Khandual wrote: > ID_DFR0 based TraceFilt feature should not be exposed to guests. Hence lets > drop it. > > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will@kernel.org> > Cc: Marc Zyngier <maz@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: James Morse <james.morse@arm.com> > Cc: Suzuki K Poulose <suzuki.poulose@arm.com> > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > > Suggested-by: Mark Rutland <mark.rutland@arm.com> > Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> > 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 6d032fbe416f..51386dade423 100644 > --- a/arch/arm64/kernel/cpufeature.c > +++ b/arch/arm64/kernel/cpufeature.c > @@ -435,7 +435,6 @@ 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),
Hmm, this still confuses me. Is this not now FTR_NONSTRICT? Why is that ok?
Will
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