From: sashiko-bot@kernel.org
To: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
Cc: "Alexander Gordeev" <agordeev@linux.ibm.com>,
"Christian Borntraeger" <borntraeger@linux.ibm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
linux-s390@vger.kernel.org
Subject: Re: [PATCH v5 2/6] dma: swiotlb: Track whether the pool size was explicitly set
Date: Mon, 21 Sep 2026 06:44:10 +0000 [thread overview]
Message-ID: <20260921064410.D0D9A1F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260921063628.362078-3-aneesh.kumar@kernel.org>
> swiotlb_adjust_size() must not override a pool size supplied through the
> swiotlb= command-line parameter.
>
> Currently, it determines whether a size was supplied by comparing
> default_nslabs with IO_TLB_DEFAULT_SIZE. This fails when the user
> explicitly requests the compiled-in default size, allowing the request
> to be overwritten by automatic pool sizing.
>
> Record whether swiotlb= supplied a numeric size and add
> swiotlb_default_size_changed() to query that state.
>
> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260921063628.362078-1-aneesh.kumar@kernel.org?part=2
next prev parent reply other threads:[~2026-09-21 6:44 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 6:36 [PATCH v5 0/6] dma: swiotlb: Centralize default pool policy and sizing Aneesh Kumar K.V (Arm)
2026-09-21 6:36 ` [PATCH v5 1/6] dma: swiotlb: Centralize default pool policy selection Aneesh Kumar K.V (Arm)
2026-09-21 6:56 ` sashiko-bot
2026-09-21 15:25 ` Robin Murphy
2026-09-22 5:32 ` Aneesh Kumar K.V
2026-09-21 6:36 ` [PATCH v5 2/6] dma: swiotlb: Track whether the pool size was explicitly set Aneesh Kumar K.V (Arm)
2026-09-21 6:44 ` sashiko-bot [this message]
2026-09-21 12:50 ` Catalin Marinas
2026-09-21 15:45 ` Robin Murphy
2026-09-22 5:42 ` Aneesh Kumar K.V
2026-09-21 6:36 ` [PATCH v5 3/6] dma: swiotlb: Centralize minimal pool sizing Aneesh Kumar K.V (Arm)
2026-09-21 6:45 ` sashiko-bot
2026-09-21 12:52 ` Catalin Marinas
2026-09-21 16:49 ` Robin Murphy
2026-09-22 6:56 ` Aneesh Kumar K.V
2026-09-21 6:36 ` [PATCH v5 4/6] dma: swiotlb: Centralize memory-encryption " Aneesh Kumar K.V (Arm)
2026-09-21 6:52 ` sashiko-bot
2026-09-22 7:02 ` Aneesh Kumar K.V
2026-09-23 12:47 ` Robin Murphy
2026-09-23 14:28 ` Aneesh Kumar K.V
2026-09-21 6:36 ` [PATCH v5 5/6] dma: swiotlb: Add an overridable architecture pool opt-out Aneesh Kumar K.V (Arm)
2026-09-21 6:51 ` sashiko-bot
2026-09-22 7:04 ` Aneesh Kumar K.V
2026-09-23 13:04 ` Robin Murphy
2026-09-23 14:18 ` Aneesh Kumar K.V
2026-09-21 6:36 ` [PATCH v5 6/6] dma: swiotlb: Remove SWIOTLB_ANY Aneesh Kumar K.V (Arm)
2026-09-21 6:48 ` sashiko-bot
2026-09-23 13:12 ` Robin Murphy
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