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Tue, 14 Jan 2020 15:35:32 -0800 (PST) Subject: Re: [PATCH 0/3] linux-user: Implement x86_64 vsyscalls To: Richard Henderson , qemu-devel@nongnu.org References: <20200114210921.11216-1-richard.henderson@linaro.org> From: Paolo Bonzini Message-ID: <5782d783-b868-9836-0715-28239138e6a1@redhat.com> Date: Wed, 15 Jan 2020 00:35:31 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <20200114210921.11216-1-richard.henderson@linaro.org> Content-Language: en-US X-MC-Unique: ak3kZZslOeupKUc6rao9Mg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, riku.voipio@iki.fi, laurent@vivier.eu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 14/01/20 22:09, Richard Henderson wrote: > I vaguely remember someone (Paolo?) implementing something like > this many years ago, but clearly it never got merged. Nope, certainly not me. > In any case, this emulation has been missing for too long. > > > r~ > > > Richard Henderson (3): > target/i386: Renumber EXCP_SYSCALL > linux-user/i386: Split out gen_signal > linux-user/i386: Emulate x86_64 vsyscalls > > target/i386/cpu.h | 6 +- > linux-user/i386/cpu_loop.c | 197 ++++++++++++++++++++++++++----------- > target/i386/translate.c | 16 ++- > 3 files changed, 155 insertions(+), 64 deletions(-) > Reviewed-by: Paolo Bonzini