From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v8 1/9] KVM: arm/arm64: Ensure only THP is candidate for adjustment
Date: Wed, 3 Oct 2018 11:50:38 +0100 [thread overview]
Message-ID: <0809a9d0-d256-c23a-c3cc-0b2be33aecff@arm.com> (raw)
In-Reply-To: <20181001155443.23032-2-punit.agrawal@arm.com>
On 01/10/18 16:54, Punit Agrawal wrote:
> PageTransCompoundMap() returns true for hugetlbfs and THP
> hugepages. This behaviour incorrectly leads to stage 2 faults for
> unsupported hugepage sizes (e.g., 64K hugepage with 4K pages) to be
> treated as THP faults.
>
> Tighten the check to filter out hugetlbfs pages. This also leads to
> consistently mapping all unsupported hugepage sizes as PTE level
> entries at stage 2.
>
> Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
> Reviewed-by: Suzuki Poulose <suzuki.poulose@arm.com>
> Cc: Christoffer Dall <christoffer.dall@arm.com>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Cc: stable at vger.kernel.org # v4.13+
FWIW, I've cherry-picked that single patch from the series and queued it
for 4.20.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2018-10-03 10:50 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-01 15:54 [PATCH v8 0/9] KVM: Support PUD hugepage at stage 2 Punit Agrawal
2018-10-01 15:54 ` [PATCH v8 1/9] KVM: arm/arm64: Ensure only THP is candidate for adjustment Punit Agrawal
2018-10-03 10:50 ` Marc Zyngier [this message]
2018-10-03 10:59 ` Punit Agrawal
2018-10-31 14:36 ` Christoffer Dall
2018-10-31 14:52 ` Punit Agrawal
2018-10-31 17:15 ` Punit Agrawal
2018-11-01 8:31 ` Christoffer Dall
2018-10-01 15:54 ` [PATCH v8 2/9] KVM: arm/arm64: Share common code in user_mem_abort() Punit Agrawal
2018-10-01 17:44 ` Suzuki K Poulose
2018-10-03 15:20 ` Marc Zyngier
2018-10-03 16:25 ` Punit Agrawal
2018-10-01 15:54 ` [PATCH v8 3/9] KVM: arm/arm64: Re-factor setting the Stage 2 entry to exec on fault Punit Agrawal
2018-10-01 15:54 ` [PATCH v8 4/9] KVM: arm/arm64: Introduce helpers to manipulate page table entries Punit Agrawal
2018-10-01 15:54 ` [PATCH v8 5/9] KVM: arm64: Support dirty page tracking for PUD hugepages Punit Agrawal
2018-10-01 15:54 ` [PATCH v8 6/9] KVM: arm64: Support PUD hugepage in stage2_is_exec() Punit Agrawal
2018-10-01 15:54 ` [PATCH v8 7/9] KVM: arm64: Support handling access faults for PUD hugepages Punit Agrawal
2018-10-01 15:54 ` [PATCH v8 8/9] KVM: arm64: Update age handlers to support " Punit Agrawal
2018-10-01 15:54 ` [PATCH v8 9/9] KVM: arm64: Add support for creating PUD hugepages at stage 2 Punit Agrawal
2018-10-01 21:30 ` Suzuki K Poulose
2018-10-02 8:52 ` Punit Agrawal
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