From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Heiko Carstens <hca@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Subject: Re: [PATCH] s390: Select ARCH_MEMORY_ORDER_TSO
Date: Wed, 14 Oct 2026 14:20:34 +0200 [thread overview]
Message-ID: <6255e61c-6c0c-4a36-8d78-9157440919fe@linux.ibm.com> (raw)
In-Reply-To: <20261014115006.537790-1-hca@linux.ibm.com>
On 10/14/26 13:50, Heiko Carstens wrote:
> s390 is a Total Store Order (TSO) architecture. Therefore select
> ARCH_MEMORY_ORDER_TSO which was introduced with [1]. As of now this has
> only a small effect on futex_robust_unlock(), but that might change in
> the future.
>
> [1] commit 6149fc36c09b ("uaccess: Provide unsafe_atomic_store_release_user()")
>
> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
> ---
> arch/s390/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
prev parent reply other threads:[~2026-10-14 12:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-14 11:50 Heiko Carstens
2026-10-14 12:20 ` Ilya Leoshkevich [this message]
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