From: Richard Weinberger <richard@nod.at>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-mtd <linux-mtd@lists.infradead.org>,
Stephan Wurm <stephan.wurm@a-eberle.de>,
stable <stable@vger.kernel.org>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Oliver Neukum <oliver@neukum.org>, Ali Akcaagac <aliakc@web.de>,
Jamie Lenehan <lenehan@twibble.org>,
James Bottomley <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH 1/7] ubi: block: Refactor sg list processing for highmem
Date: Thu, 10 Aug 2023 18:15:36 +0200 (CEST) [thread overview]
Message-ID: <298860961.5257332.1691684136772.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <ZNUK8nWnUYB6B4Kg@infradead.org>
----- Ursprüngliche Mail -----
> Von: "Christoph Hellwig" <hch@infradead.org>
>> Refactor ubi_eba_read_leb_sg() to use kmap_atomic() for sg list
>> access.
>> Since kmap_atomic() disables preempt a bounce buffer is needed.
>> kmap_local_page() is not used to allow easy backporting of this patch
>> to older kernels.
>>
>> The followup patches in this series will switch to kmap_sg()
>> and we can remove our own helper and the bounce buffer.
>
> Please just use kmap_local and avoid the bounce buffering.
Patch 6 does this.
Thanks,
//richard
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next prev parent reply other threads:[~2023-08-10 16:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-10 16:00 [PATCH 0/7] Fix UBI Block wrt. highmem Richard Weinberger
2023-08-10 16:00 ` [PATCH 1/7] ubi: block: Refactor sg list processing for highmem Richard Weinberger
2023-08-10 16:06 ` Christoph Hellwig
2023-08-10 16:15 ` Richard Weinberger [this message]
2023-08-10 16:21 ` Christoph Hellwig
2023-08-10 19:54 ` Richard Weinberger
2023-08-11 8:12 ` Christoph Hellwig
2023-08-11 8:34 ` Richard Weinberger
2023-08-11 8:36 ` Christoph Hellwig
2023-08-10 16:00 ` [PATCH 2/7] scatterlist: Add kmap helpers Richard Weinberger
2023-08-10 16:00 ` [PATCH 3/7] scsi: dc395x: Switch to kmap_sg Richard Weinberger
2023-08-10 16:00 ` [PATCH 4/7] scsi: esp_scsi: " Richard Weinberger
2023-08-10 16:00 ` [PATCH 5/7] scsi: fdomain: " Richard Weinberger
2023-08-10 16:00 ` [PATCH 6/7] ubi: block: " Richard Weinberger
2023-08-10 16:00 ` [PATCH 7/7] scsi: core: Remove scsi_kmap_atomic_sg() Richard Weinberger
2023-08-11 5:52 ` [PATCH 0/7] Fix UBI Block wrt. highmem Miquel Raynal
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