From: sashiko-bot@kernel.org
To: "Eric Farman" <farman@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, "Heiko Carstens" <hca@linux.ibm.com>,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH v8 04/10] s390/vfio_ccw: ensure first IDAW remains constant
Date: Tue, 28 Jul 2026 01:45:33 +0000 [thread overview]
Message-ID: <20260728014533.E98821F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260728013509.1551753-5-farman@linux.ibm.com>
> The first IDAW in a list does not need to be on a 2K/4K boundary
> like all others, and so is read separately to accurately calculate
> the size of the buffer needed to read the full IDAL.
>
> Verify that the address found in the first IDAW is unchanged between
> reads, to ensure a consistent set of IDAWs being worked with.
>
> Fixes: 01aa26c672c0 ("s390/cio: Combine direct and indirect CCW paths")
> Cc: stable@vger.kernel.org
> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
> Signed-off-by: Eric Farman <farman@linux.ibm.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260728013509.1551753-1-farman@linux.ibm.com?part=4
next prev parent reply other threads:[~2026-07-28 1:45 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-28 1:34 [PATCH v8 00/10] s390/vfio_ccw fixes Eric Farman
2026-07-28 1:35 ` [PATCH v8 01/10] s390/vfio_ccw: free all memory if cp_init() fails Eric Farman
2026-07-28 1:51 ` sashiko-bot
2026-07-28 1:35 ` [PATCH v8 02/10] s390/vfio_ccw: limit the number of channel program segments Eric Farman
2026-07-28 1:52 ` sashiko-bot
2026-07-28 1:35 ` [PATCH v8 03/10] s390/vfio_ccw: fix out of bounds check on CCW array Eric Farman
2026-07-28 1:50 ` sashiko-bot
2026-07-28 1:35 ` [PATCH v8 04/10] s390/vfio_ccw: ensure first IDAW remains constant Eric Farman
2026-07-28 1:45 ` sashiko-bot [this message]
2026-07-28 1:35 ` [PATCH v8 05/10] s390/vfio_ccw: calculate idal length based on idaw type Eric Farman
2026-07-28 1:49 ` sashiko-bot
2026-07-28 1:35 ` [PATCH v8 06/10] s390/vfio_ccw: ensure index for read/write regions are within range Eric Farman
2026-07-28 1:54 ` sashiko-bot
2026-07-28 1:35 ` [PATCH v8 07/10] s390/vfio_ccw: cancel existing workqueues Eric Farman
2026-07-28 1:53 ` sashiko-bot
2026-07-28 2:07 ` Matthew Rosato
2026-07-28 1:35 ` [PATCH v8 08/10] s390/vfio_ccw: move cp cleanup out of not operational Eric Farman
2026-07-28 1:49 ` sashiko-bot
2026-07-28 2:08 ` Matthew Rosato
2026-07-28 3:23 ` Eric Farman
2026-07-28 1:35 ` [PATCH v8 09/10] s390/vfio_ccw: selectively expand io_mutex Eric Farman
2026-07-28 1:57 ` sashiko-bot
2026-07-28 2:08 ` Matthew Rosato
2026-07-28 1:35 ` [PATCH v8 10/10] s390/vfio_ccw: implement a crw lock Eric Farman
2026-07-28 2:01 ` sashiko-bot
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