From: sashiko-bot@kernel.org
To: "Heiko Carstens" <hca@linux.ibm.com>
Cc: kvm@vger.kernel.org, "Vasily Gorbik" <gor@linux.ibm.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
linux-s390@vger.kernel.org
Subject: Re: [PATCH v4 4/8] s390/mm: Fix handling of vmalloc area in do_secure_storage_access()
Date: Mon, 20 Jul 2026 09:23:03 +0000 [thread overview]
Message-ID: <20260720092303.96D791F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260720085834.898025-5-hca@linux.ibm.com>
> Secure storage access exceptions in vmalloc area need to be handled
> separately since folio_try_get() or virt_to_phys() do not work on such
> addresses. Given that there cannot be a valid access let such exceptions
> fail immediately. The kernel will either fixup or crash.
>
> Tested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260720085834.898025-1-hca@linux.ibm.com?part=4
next prev parent reply other threads:[~2026-07-20 9:23 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-20 8:58 [PATCH v4 0/8] s390: Reintroduce support for DCACHE_WORD_ACCESS Heiko Carstens
2026-07-20 8:58 ` [PATCH v4 1/8] KVM: s390: pv: Use VM_SPARSE area for guest variable storage area Heiko Carstens
2026-07-20 9:14 ` sashiko-bot
2026-07-20 9:56 ` Christian Borntraeger
2026-07-20 10:15 ` Heiko Carstens
2026-07-20 8:58 ` [PATCH v4 2/8] s390/mm: Add missing mm check to do_secure_storage_access() Heiko Carstens
2026-07-20 9:12 ` sashiko-bot
2026-07-20 10:44 ` Christian Borntraeger
2026-07-20 8:58 ` [PATCH v4 3/8] s390/mm: Use lock_mm_and_find_vma() in do_secure_storage_access() Heiko Carstens
2026-07-20 9:19 ` sashiko-bot
2026-07-20 10:45 ` Christian Borntraeger
2026-07-20 8:58 ` [PATCH v4 4/8] s390/mm: Fix handling of vmalloc area " Heiko Carstens
2026-07-20 9:23 ` sashiko-bot [this message]
2026-07-20 10:22 ` Christian Borntraeger
2026-07-20 8:58 ` [PATCH v4 5/8] s390/mm: Remove folio handling for kernel faults " Heiko Carstens
2026-07-20 9:30 ` sashiko-bot
2026-07-20 10:53 ` Christian Borntraeger
2026-07-20 8:58 ` [PATCH v4 6/8] s390/mm: Use handle_fault_error() " Heiko Carstens
2026-07-20 9:26 ` sashiko-bot
2026-07-20 8:58 ` [PATCH v4 7/8] s390/mm: Use goto statement " Heiko Carstens
2026-07-20 9:36 ` sashiko-bot
2026-07-20 10:36 ` Christian Borntraeger
2026-07-20 8:58 ` [PATCH v4 8/8] s390: Add support for DCACHE_WORD_ACCESS (again) Heiko Carstens
2026-07-20 9:48 ` sashiko-bot
2026-07-21 9:59 ` Sven Schnelle
2026-07-20 9:03 ` [PATCH v4 0/8] s390: Reintroduce support for DCACHE_WORD_ACCESS Christian Borntraeger
2026-07-20 9:40 ` Heiko Carstens
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