linux-kernel - [PATCH 0/1] riscv: Fix P4D_SHIFT definition for 3-level page table mode

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Message-Id: <20221201135128.1482189-1-alexghiti@rivosinc.com>
Date:   Thu,  1 Dec 2022 14:51:27 +0100
From:   Alexandre Ghiti <alexghiti@...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>, linux-mm@...ck.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Alexandre Ghiti <alexghiti@...osinc.com>
Subject: [PATCH 0/1] riscv: Fix P4D_SHIFT definition for 3-level page table mode

+cc linux-mm since I'm struggling to know how bad is this issue and
if this should be picked for 6.1-rc8 or not.

I tested this fix on an Ubuntu kernel in sv39 mode without any issue
but the version without the fix seems to work fine too, either this is
not a real issue or I don't exercise the right thing to make it visible.

Any help appreciated!

Alexandre Ghiti (1):
  riscv: Fix P4D_SHIFT definition for 3-level page table mode

 arch/riscv/include/asm/pgtable-64.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

-- 
2.37.2