From: Alexander Gordeev <agordeev@linux.ibm.com>
To: Heiko Carstens <hca@linux.ibm.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
linux-s390@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com
Subject: Re: [PATCH v7 3/4] mm/kasan: Introduce helpers for lazy MMU mode sanitizer
Date: Tue, 25 Aug 2026 09:50:30 +0200 [thread overview]
Message-ID: <c4ea355b-9807-4a9d-8f90-246b4e650684-agordeev@linux.ibm.com> (raw)
In-Reply-To: <20260824095635.11040Be5-hca@linux.ibm.com>
On Mon, Aug 24, 2026 at 11:56:35AM +0200, Heiko Carstens wrote:
> On Tue, Aug 18, 2026 at 02:01:30PM +0200, Alexander Gordeev wrote:
> > On Tue, Aug 18, 2026 at 12:11:34AM +0200, Andrey Konovalov wrote:
> > ...
> > > Hi Alexander,
> > >
> > > Should all this be limited to only s390?
> >
> > The idea is to allow any architecture to opt-in. Once [1] is accepted
> > this may look redundant, but I still see the benefit in having it.
>
> What would be the benefit if [1] is accepted?
Just another mechanism for verification, and pretty cheap one.
I would dare to say [1] does not rule out an invalid access completely.
next prev parent reply other threads:[~2026-08-25 7:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-17 11:32 [PATCH v7 0/4] s390/mm: Batch PTE updates in lazy MMU mode Alexander Gordeev
2026-08-17 11:32 ` [PATCH v7 1/4] mm: Make lazy MMU mode context-aware Alexander Gordeev
2026-08-17 11:33 ` [PATCH v7 2/4] s390/mm: Batch PTE updates in lazy MMU mode Alexander Gordeev
2026-08-24 10:40 ` Heiko Carstens
2026-08-26 12:00 ` Alexander Gordeev
2026-08-26 13:02 ` Heiko Carstens
2026-08-26 14:34 ` Alexander Gordeev
2026-08-27 8:11 ` Heiko Carstens
2026-08-27 11:39 ` Alexander Gordeev
2026-08-17 11:33 ` [PATCH v7 3/4] mm/kasan: Introduce helpers for lazy MMU mode sanitizer Alexander Gordeev
2026-08-17 22:11 ` Andrey Konovalov
2026-08-18 12:01 ` Alexander Gordeev
2026-08-24 9:56 ` Heiko Carstens
2026-08-25 7:50 ` Alexander Gordeev [this message]
2026-08-25 10:08 ` Heiko Carstens
2026-08-17 11:33 ` [PATCH v7 4/4] s390/mm: Lazy " Alexander Gordeev
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