From: Christoph Hellwig <hch@infradead.org>
To: Nick Hu <nickhu@andestech.com>
Cc: aou@eecs.berkeley.edu, alankao@andestech.com,
atish.patra@wdc.com, gregkh@linuxfoundation.org,
palmer@sifive.com, linux-kernel@vger.kernel.org,
kasan-dev@googlegroups.com, zong@andestech.com,
alexios.zavras@intel.com, Anup.Patel@wdc.com, glider@google.com,
green.hu@gmail.com, paul.walmsley@sifive.com,
aryabinin@virtuozzo.com, tglx@linutronix.de, deanbo422@gmail.com,
linux-riscv@lists.infradead.org, dvyukov@google.com
Subject: Re: [PATCH 1/2] riscv: Add memmove string operation.
Date: Mon, 12 Aug 2019 08:04:46 -0700 [thread overview]
Message-ID: <20190812150446.GI26897@infradead.org> (raw)
In-Reply-To: <a6c24ce01dc40da10d58fdd30bc3e1316035c832.1565161957.git.nickhu@andestech.com>
On Wed, Aug 07, 2019 at 03:19:14PM +0800, Nick Hu wrote:
> There are some features which need this string operation for compilation,
> like KASAN. So the purpose of this porting is for the features like KASAN
> which cannot be compiled without it.
>
> KASAN's string operations would replace the original string operations and
> call for the architecture defined string operations. Since we don't have
> this in current kernel, this patch provides the implementation.
>
> This porting refers to the 'arch/nds32/lib/memmove.S'.
This looks sensible to me, although my stringop asm is rather rusty,
so just an ack and not a real review-by:
Acked-by: Christoph Hellwig <hch@lst.de>
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next prev parent reply other threads:[~2019-08-12 15:04 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-07 7:19 [PATCH 0/2] KASAN support for RISC-V Nick Hu
2019-08-07 7:19 ` [PATCH 1/2] riscv: Add memmove string operation Nick Hu
2019-08-12 15:04 ` Christoph Hellwig [this message]
2019-08-13 23:50 ` Palmer Dabbelt
2019-08-14 2:22 ` Paul Walmsley
2019-08-14 3:27 ` Nick Hu
2019-08-14 17:03 ` Paul Walmsley
2019-08-15 3:12 ` Nick Hu
2019-08-15 18:27 ` Paul Walmsley
2019-08-19 6:29 ` Nick Hu
2019-08-14 18:33 ` Palmer Dabbelt
2019-08-22 15:59 ` Andrey Ryabinin
2019-08-27 9:07 ` Nick Hu
2019-08-27 9:33 ` Andrey Ryabinin
2019-08-28 3:06 ` Nick Hu
2019-08-07 7:19 ` [PATCH 2/2] riscv: Add KASAN support Nick Hu
2019-08-12 15:10 ` Christoph Hellwig
2019-08-14 7:44 ` Nick Hu
2019-08-22 17:08 ` Andrey Ryabinin
2019-09-03 15:08 ` Daniel Axtens
2019-09-04 2:24 ` Nick Hu
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