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[209.85.208.170]) by smtp.gmail.com with ESMTPSA id d9sm3290333ljc.20.2020.05.23.17.16.11 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 23 May 2020 17:16:12 -0700 (PDT) Received: by mail-lj1-f170.google.com with SMTP id l15so16613741lje.9 for ; Sat, 23 May 2020 17:16:11 -0700 (PDT) X-Received: by 2002:a2e:7e0a:: with SMTP id z10mr8459409ljc.314.1590279371483; Sat, 23 May 2020 17:16:11 -0700 (PDT) MIME-Version: 1.0 References: <20200523224732.GA243603@roeck-us.net> In-Reply-To: <20200523224732.GA243603@roeck-us.net> From: Linus Torvalds Date: Sat, 23 May 2020 17:15:55 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] sparc32: use PUD rather than PGD to get PMD in srmmu_nocache_init() To: Guenter Roeck Cc: Mike Rapoport , Andrew Morton , "David S. Miller" , Anatoly Pugachev , sparclinux@vger.kernel.org, Linux Kernel Mailing List , stable Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 23, 2020 at 3:47 PM Guenter Roeck wrote: > > This quite innocent looking patch crashes all my sparc32 boot tests. > Crash log and bisect results below. Reverting it fixes the problem. It should also fixed by 0cfc8a8d70dc ("sparc32: fix page table traversal in srmmu_nocache_init()"). No? Linus From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Torvalds Date: Sun, 24 May 2020 00:15:55 +0000 Subject: Re: [PATCH] sparc32: use PUD rather than PGD to get PMD in srmmu_nocache_init() Message-Id: List-Id: References: <20200523224732.GA243603@roeck-us.net> In-Reply-To: <20200523224732.GA243603@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Guenter Roeck Cc: Mike Rapoport , Andrew Morton , "David S. Miller" , Anatoly Pugachev , sparclinux@vger.kernel.org, Linux Kernel Mailing List , stable On Sat, May 23, 2020 at 3:47 PM Guenter Roeck wrote: > > This quite innocent looking patch crashes all my sparc32 boot tests. > Crash log and bisect results below. Reverting it fixes the problem. It should also fixed by 0cfc8a8d70dc ("sparc32: fix page table traversal in srmmu_nocache_init()"). No? Linus