linux-kernel - Re: [RESEND PATCH v1 1/5] mm: vmalloc must set pte via arch code

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Message-ID: <ZGRxwFDV3zZ0mYsI@infradead.org>
Date:   Tue, 16 May 2023 23:18:40 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Ryan Roberts <ryan.roberts@....com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        SeongJae Park <sj@...nel.org>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, damon@...ts.linux.dev
Subject: Re: [RESEND PATCH v1 1/5] mm: vmalloc must set pte via arch code

On Thu, May 11, 2023 at 02:21:09PM +0100, Ryan Roberts wrote:
> It is bad practice to directly set pte entries within a pte table.
> Instead all modifications must go through arch-provided helpers such as
> set_pte_at() to give the arch code visibility and allow it to validate
> (and potentially modify) the operation.

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>