From: Steffen Eiden <seiden@linux.ibm.com>
To: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
linux-s390@vger.kernel.org, borntraeger@de.ibm.com,
frankja@linux.ibm.com, nrb@linux.ibm.com,
schlameuss@linux.ibm.com, gra@linux.ibm.com, david@kernel.org
Subject: Re: [PATCH v3 2/6] KVM: s390: Add alignment checks for hugepages
Date: Tue, 7 Apr 2026 14:30:12 +0200 [thread overview]
Message-ID: <20260407123012.296205-B-seiden@linux.ibm.com> (raw)
In-Reply-To: <20260402150135.196943-3-imbrenda@linux.ibm.com>
On Thu, Apr 02, 2026 at 05:01:31PM +0200, Claudio Imbrenda wrote:
> When backing a guest page with a large page, check that the alignment
> of the guest page matches the alignment of the host physical page
> backing it within the large page.
>
> Also check that the memslot is large enough to fit the large page.
>
> Those checks are currently not needed, because memslots are guaranteed
> to be 1m-aligned, but this will change.
>
> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
next prev parent reply other threads:[~2026-04-07 12:30 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-02 15:01 [PATCH v3 0/6] KVM: s390: Enable 4k granularity for memslots Claudio Imbrenda
2026-04-02 15:01 ` [PATCH v3 1/6] KVM: s390: Add some useful mask macros Claudio Imbrenda
2026-04-07 12:13 ` Steffen Eiden
2026-04-02 15:01 ` [PATCH v3 2/6] KVM: s390: Add alignment checks for hugepages Claudio Imbrenda
2026-04-07 12:30 ` Steffen Eiden [this message]
2026-04-02 15:01 ` [PATCH v3 3/6] KVM: s390: Allow 4k granularity for memslots Claudio Imbrenda
2026-04-07 12:33 ` Steffen Eiden
2026-04-02 15:01 ` [PATCH v3 4/6] KVM: selftests: Remove 1M alignment requirement for s390 Claudio Imbrenda
2026-04-07 12:44 ` Steffen Eiden
2026-04-02 15:01 ` [PATCH v3 5/6] KVM: s390: selftests: enable some common memory-related tests Claudio Imbrenda
2026-04-07 12:47 ` Steffen Eiden
2026-04-07 13:04 ` Claudio Imbrenda
2026-04-07 13:41 ` Steffen Eiden
2026-04-07 15:19 ` Steffen Eiden
2026-04-02 15:01 ` [PATCH v3 6/6] KVM: s390: ucontrol: Fix memslot handling Claudio Imbrenda
2026-04-07 12:55 ` Steffen Eiden
2026-04-07 13:05 ` Claudio Imbrenda
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