From nobody Mon Feb 9 12:12:03 2026 Received: from out203-205-221-173.mail.qq.com (out203-205-221-173.mail.qq.com [203.205.221.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AE98B2F36 for ; Wed, 21 Feb 2024 03:03:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.221.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708484601; cv=none; b=TbJmPPWWNI5H4Wza3yJQ9EZL+ZjxJmIPYobAnpIWCphihYcXHxwH+cZDtiRsWOJ5QKJLJmeKciM9c6tUw31UwKl9jqzqgHj5qd2cjjJHrUaMdJ10ZFRBgGwnQZmQKbiv4ZDeXu8zmCZoM/KW+IfhUMhB+RIR2DsK+1I4HrBnBx8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708484601; c=relaxed/simple; bh=oobwvJOSlJZ6jqTkxaLxre6wjaVBnYmAyPVTnY+MfJM=; h=Message-ID:From:To:Cc:Subject:Date:MIME-Version; b=sXhwbqwmSuXX0XAWmqWZsUp3z+Uql/Bjywa93A0Mokn6DvkeBHJTMO2LTbRvEjFcjFWbb8xYen0zx7RJBLAqfeU/fPNYfyMoahMi78py069+xPj3VISf1gDRu6WFBmo/TaOu/Ra7djxJGX3j/EKej9vb1SbUL1fffr+SXSCvFoE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cyyself.name; spf=none smtp.mailfrom=cyyself.name; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=frPaumst; arc=none smtp.client-ip=203.205.221.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cyyself.name Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=cyyself.name Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="frPaumst" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1708484589; bh=LKI66u4dgr+7iwYTp927KXhXTPqMfb6/+YRPw56ONE4=; h=From:To:Cc:Subject:Date; b=frPaumstbBFv47/rdxEFDJLe4zIYNI5yWDb8mM4pf6ydyw4Hqn6mbKxrwA+Yp1sw3 XjCb0F7jFT6Q0WrH+++6upH+oL0KTODunCAFQmjFbiuUAa7CPec3Dh9D1GVHstXMIn r9hO3+WXwz5Qptm8RIT1laiXH3xBFQ4t1JFlir1U= Received: from cyy-pc.lan ([240e:379:2240:ef00:159c:db93:bdcd:c9c6]) by newxmesmtplogicsvrsza1-0.qq.com (NewEsmtp) with SMTP id C5A0C88; Wed, 21 Feb 2024 11:03:05 +0800 X-QQ-mid: xmsmtpt1708484585txbs3v0gn Message-ID: X-QQ-XMAILINFO: OUnVc07lD2ZBmrI0ZhjTbaZSf3JrAeZvIVT6kjHJ26bXBjMScunXxm1aDNZZKQ /X/0IbcXbZ2RgT8zWVbJ9Or//pv5wVpAsfgTCHTb0t4ud6fWvmCH6mL82nuOjSk6/qeQ8LRZQBO8 8fbHDB1JF1SUl/Ova/4VF68qRq7N+tdwe/kceR1I+X8S7JtQFRoUCu+QRGSX5auPoW7zMccfPGgF csuJjMy61fN3y9sSZkZ8alcyAr4/kU7vU0Ul/yJoiTNU4Jyi+JUCNpZaULAdpgqo1FXBUfzWCMfh 994NDiDExo5GjgDnf7OSDXQXmf9yHwGpScNSfEQ7YdofkkcOiedu6zxodZbriXjvZdzbB+gsfzf3 P3p8ynZDcDqNdWUCYR1mDsjOgZNUk/QaC2IHmdBXyRzsaitWiJH7D/w0ZTxvZEj+CplhxOvcdRDb zk9berts7PfJWpbYb6pY9aTJiB7/mUWzzvllshAernW9m6UZ22EchXrOwN64b3lXmdLNVgAsVyzk vC+V6Iue9wFWAwW8dGMXv9aCHg4tyEWfYa4roEfIZKBoY8SHv/y4mDsP/C9VaWpyqw9YJtjcvBIk +a0x210bc7oc84PeoLUeAK4DncF/i7t6QBFnf8KszULRdSQLiQ4qRV/LsQnEZ5fBKac5xynLBVYB RzFpnfmftmwafv5dmkBR9NpOscvCC2nroj9kc8fRAF5x6ZjKpAZcoXOnmDoIittaDitwQpY8Kwo8 yWKgmNmzcoBRDZ9BnrpOdQ6/Kht50BLNP2Kk70f8tTUcLI5PzDBhNRauTdXVuRg6569JpxiB3aQP NENXpQQWq36kZr7hO3GZwYJ9RNHILSgSQzO9s+jYaOdYiOxrzwq6uIyVW5YCLESDnR5YommNMggM a+9nT/Ic6sDUBVr9aOT0Gk/4TnEHlzooLRHraW8pN9S2iLiTGZX+CL4pn7bys4+k3L/MLV4mAPri 5AkTJsC6bl4Md5U3zGvUlz3r0E8QBFu4BKxrJq31Ru8ka9sSneuKyeqDeMdNxrIqJUDrB80MfNnu AJdMvN59mRU4LF9QPn X-QQ-XMRINFO: Mp0Kj//9VHAxr69bL5MkOOs= From: Yangyu Chen To: linux-riscv@lists.infradead.org Cc: Jisheng Zhang , Paul Walmsley , Palmer Dabbelt , Guo Ren , Alexandre Ghiti , linux-kernel@vger.kernel.org, Yangyu Chen Subject: [PATCH v2] riscv: mm: fix NOCACHE_THEAD does not set bit[61] correctly Date: Wed, 21 Feb 2024 11:02:31 +0800 X-OQ-MSGID: <20240221030231.3413066-1-cyy@cyyself.name> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Previous commit dbfbda3bd6bf ("riscv: mm: update T-Head memory type definitions") from patch [1] missed a `<` for bit shifting, result in bit(61) does not set in _PAGE_NOCACHE_THEAD and leaves bit(0) set instead. This patch get this fixed. Changes since v1: * reword commit message and add reviewed-by Link: https://lore.kernel.org/linux-riscv/20230912072510.2510-1-jszhang@ker= nel.org/ [1] Fixes: dbfbda3bd6bf ("riscv: mm: update T-Head memory type definitions") Signed-off-by: Yangyu Chen Reviewed-by: Guo Ren Reviewed-by: Jisheng Zhang Reviewed-by: Alexandre Ghiti --- arch/riscv/include/asm/pgtable-64.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/p= gtable-64.h index b42017d76924..b99bd66107a6 100644 --- a/arch/riscv/include/asm/pgtable-64.h +++ b/arch/riscv/include/asm/pgtable-64.h @@ -136,7 +136,7 @@ enum napot_cont_order { * 10010 - IO Strongly-ordered, Non-cacheable, Non-bufferable, Shareable= , Non-trustable */ #define _PAGE_PMA_THEAD ((1UL << 62) | (1UL << 61) | (1UL << 60)) -#define _PAGE_NOCACHE_THEAD ((1UL < 61) | (1UL << 60)) +#define _PAGE_NOCACHE_THEAD ((1UL << 61) | (1UL << 60)) #define _PAGE_IO_THEAD ((1UL << 63) | (1UL << 60)) #define _PAGE_MTMASK_THEAD (_PAGE_PMA_THEAD | _PAGE_IO_THEAD | (1UL << 59)) =20 --=20 2.43.0