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[172.254.253.57]) by smtp.gmail.com with ESMTPSA id a124sm5065911qkc.64.2021.11.01.10.30.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 01 Nov 2021 10:30:37 -0700 (PDT) Subject: Re: [PATCH v6 23/66] target/arm: Implement arm_cpu_record_sigsegv To: Peter Maydell References: <20211030171635.1689530-1-richard.henderson@linaro.org> <20211030171635.1689530-24-richard.henderson@linaro.org> From: Richard Henderson Message-ID: <0535d236-1e35-b832-91bf-063665f2c63e@linaro.org> Date: Mon, 1 Nov 2021 13:30:35 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::82f; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82f.google.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-1.14, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: f4bug@amsat.org, alex.bennee@linaro.org, qemu-devel@nongnu.org, imp@bsdimp.com, Laurent@vivier.eu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 11/1/21 1:25 PM, Peter Maydell wrote: > On Mon, 1 Nov 2021 at 17:09, Richard Henderson > wrote: >> >> On 11/1/21 12:30 PM, Peter Maydell wrote: >>> We seem to be restricting tlb_fill to sysemu already. >> >> Not true: >> >>> -#endif /* !defined(CONFIG_USER_ONLY) */ >>> - >>> bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, >>> MMUAccessType access_type, int mmu_idx, >>> bool probe, uintptr_t retaddr) >>> { >>> ARMCPU *cpu = ARM_CPU(cs); >>> ARMMMUFaultInfo fi = {}; >>> - >>> -#ifdef CONFIG_USER_ONLY > > Yes, that's restricting tlb_fill to sysemu only now (in this patch), > not "later", right ? Oh, I see what you mean, re "... and we'll be able to restrict the tlb_fill hook to sysemu later." This was in reference to patch 41, "accel/tcg: Restrict TCGCPUOps::tlb_fill() to sysemu", where I remove the tlb_fill hook from TCGCPUOps for CONFIG_USER_ONLY. r~