From: Christoph Hellwig <hch@infradead.org>
To: Jiuyang Liu <liu@jiuyang.me>
Cc: Alex Ghiti <alex@ghiti.fr>,
Andrew Waterman <waterman@eecs.berkeley.edu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Andrew Morton <akpm@linux-foundation.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] implement flush_cache_vmap and flush_cache_vunmap for RISC-V
Date: Thu, 1 Apr 2021 07:37:07 +0100 [thread overview]
Message-ID: <20210401063707.GA1362465@infradead.org> (raw)
In-Reply-To: <20210329015510.44110-1-liu@jiuyang.me>
On Mon, Mar 29, 2021 at 01:55:09AM +0000, Jiuyang Liu wrote:
> +/*
> + * flush_cache_vmap and flush_cache_vunmap might modify PTE, needs SFENCE.VMA.
> + * - flush_cache_vmap is invoked after map_kernel_range() has installed the page table entries.
> + * - flush_cache_vunmap is invoked before unmap_kernel_range() deletes the page table entries
> + */
Please never ever write comments > 80 chars. And please read the
coding style document.
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next prev parent reply other threads:[~2021-04-01 6:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-29 1:55 [PATCH] implement flush_cache_vmap and flush_cache_vunmap for RISC-V Jiuyang Liu
2021-03-30 7:02 ` Alex Ghiti
2021-04-01 6:37 ` Christoph Hellwig [this message]
2021-04-11 21:41 ` Palmer Dabbelt
2021-04-12 0:13 ` Jiuyang Liu
2021-04-12 6:22 ` Jisheng Zhang
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