From: Christian Borntraeger <borntraeger@de.ibm.com>
To: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
linux-s390@vger.kernel.org, frankja@linux.ibm.com,
david@kernel.org, seiden@linux.ibm.com, nrb@linux.ibm.com,
schlameuss@linux.ibm.com, gra@linux.ibm.com
Subject: Re: [PATCH v2 5/5] KVM: s390: Properly reset zero bit in PGSTE
Date: Tue, 19 May 2026 13:57:24 +0200 [thread overview]
Message-ID: <b12aff92-e65d-4d86-af4f-3afd19605961@de.ibm.com> (raw)
In-Reply-To: <20260519133836.0d344247@p-imbrenda>
Am 19.05.26 um 13:38 schrieb Claudio Imbrenda:
> On Mon, 18 May 2026 13:44:45 +0200
> Christian Borntraeger <borntraeger@de.ibm.com> wrote:
>
>> Am 12.05.26 um 19:52 schrieb Claudio Imbrenda:
>>> When calling _gmap_ptep_xchg(), always clear the pgste.zero bit. This
>>> prevents the page from being accidentally discarded when getting
>>> unmapped.
>>
>> Ideally have some example in the patch description, that makes review easier.>
>
> will do
>
>>> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
>>
>> Was this broken before the rework as well? Do we need a stable backport into 6.19
>> and older?
>
> no, this breakage is a product of the gmap rewrite
Then please add a Fixes tag.
prev parent reply other threads:[~2026-05-19 11:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-12 17:52 [PATCH v2 0/5] KVM: s390: some vSIE and UCONTROL fixes Claudio Imbrenda
2026-05-12 17:52 ` [PATCH v2 1/5] KVM: s390: vsie: Fix memory leak when unshadowing Claudio Imbrenda
2026-05-13 7:50 ` Christian Borntraeger
2026-05-12 17:52 ` [PATCH v2 2/5] KVM: s390: Fix leaking kvm_s390_mmu_cache in case of errors Claudio Imbrenda
2026-05-13 7:56 ` Christian Borntraeger
2026-05-12 17:52 ` [PATCH v2 3/5] KVM: s390: vsie: Fix unshadowing logic Claudio Imbrenda
2026-05-18 11:28 ` Christian Borntraeger
2026-05-19 11:40 ` Claudio Imbrenda
2026-05-12 17:52 ` [PATCH v2 4/5] KVM: s390: vsie: Fix redundant rmap entries Claudio Imbrenda
2026-05-18 11:54 ` Christian Borntraeger
2026-05-12 17:52 ` [PATCH v2 5/5] KVM: s390: Properly reset zero bit in PGSTE Claudio Imbrenda
2026-05-15 11:51 ` Steffen Eiden
2026-05-18 11:44 ` Christian Borntraeger
2026-05-19 11:38 ` Claudio Imbrenda
2026-05-19 11:57 ` Christian Borntraeger [this message]
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