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Wed, 23 Sep 2026 06:13:25 -0700 (PDT) Received: from linaro.org ([2a10:d582:31e:0:805c:5b2c:d225:9d51]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c2aae6a4adasm120085966b.47.2026.09.23.06.13.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 06:13:22 -0700 (PDT) Date: Wed, 23 Sep 2026 14:13:18 +0100 From: Jim MacArthur To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org Subject: Re: [PATCH v2 1/2] accel/tcg: Allow some address space wraparound during translation Message-ID: References: <20260916235158.294901-1-richard.henderson@linaro.org> <20260916235158.294901-2-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260916235158.294901-2-richard.henderson@linaro.org> Received-SPF: pass client-ip=2a00:1450:4864:34::10; envelope-from=jim.macarthur@linaro.org; helo=mail-ej2-x10.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Wed, Sep 16, 2026 at 01:51:57PM -1000, Richard Henderson wrote: > Allow the two pages of translation to be non-contiguous. > As long as the target translator wraps pc properly, this > allows address space wraparound to function correctly. > > This avoids an assert on a valid i386 system-mode test case. > > Reported-by: Tao Cui > Signed-off-by: Richard Henderson > --- > include/exec/translator.h | 3 +++ > accel/tcg/translator.c | 45 ++++++++++++++++++++++++--------------- > 2 files changed, 31 insertions(+), 17 deletions(-) > > diff --git a/include/exec/translator.h b/include/exec/translator.h > index 978dee25add..104e6d4f361 100644 Reviewed-by: Jim MacArthur