linux-kernel - Re: [PATCH -fixes 1/2] riscv: Fix huge_ptep_set

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Message-Id: <168565042167.24704.4716430227206622688.b4-ty@rivosinc.com>
Date:   Thu, 01 Jun 2023 13:13:41 -0700
From:   Palmer Dabbelt <palmer@...osinc.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Qinglin Pan <panqinglin2020@...as.ac.cn>,
        Andrew Jones <ajones@...tanamicro.com>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Alexandre Ghiti <alexghiti@...osinc.com>
Subject: Re: [PATCH -fixes 1/2] riscv: Fix huge_ptep_set_wrprotect when PTE
 is a NAPOT


On Fri, 28 Apr 2023 14:01:19 +0200, Alexandre Ghiti wrote:
> We need to avoid inconsistencies across the PTEs that form a NAPOT
> region, so when we write protect such a region, we should clear and flush
> all the PTEs to make sure that any of those PTEs is not cached which would
> result in such inconsistencies (arm64 does the same).
> 
> 

Applied, thanks!

[1/2] riscv: Fix huge_ptep_set_wrprotect when PTE is a NAPOT
      https://git.kernel.org/palmer/c/d22ce4f4137a
[2/2] riscv: Implement missing huge_ptep_get
      https://git.kernel.org/palmer/c/640ad2677d56

Best regards,
-- 
Palmer Dabbelt <palmer@...osinc.com>