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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-475dd4a36easm176283575e9.10.2025.10.27.23.05.30 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 27 Oct 2025 23:05:31 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Mads Ynddal , Cameron Esfahani , qemu-arm@nongnu.org, Roman Bolshakov , Akihiko Odaki , Phil Dennis-Jordan , Mohamed Mediouni , Peter Collingbourne , Peter Maydell , Alexander Graf , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v3 32/59] accel/hvf: Enforce host alignment in hv_vm_protect() Date: Tue, 28 Oct 2025 06:42:08 +0100 Message-ID: <20251028054238.14949-33-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251028054238.14949-1-philmd@linaro.org> References: <20251028054238.14949-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=philmd@linaro.org; helo=mail-wm1-x334.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=unavailable 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org hv_vm_protect() arguments must be aligned to host page. Suggested-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé --- accel/hvf/hvf-all.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/accel/hvf/hvf-all.c b/accel/hvf/hvf-all.c index e13abddbd9c..2efecdc9f40 100644 --- a/accel/hvf/hvf-all.c +++ b/accel/hvf/hvf-all.c @@ -11,6 +11,7 @@ #include "qemu/osdep.h" #include "qemu/error-report.h" #include "accel/accel-ops.h" +#include "exec/cpu-common.h" #include "system/address-spaces.h" #include "system/memory.h" #include "system/hvf.h" @@ -67,6 +68,8 @@ static void do_hv_vm_protect(hwaddr start, size_t size, flags & HV_MEMORY_READ ? 'R' : '-', flags & HV_MEMORY_WRITE ? 'W' : '-', flags & HV_MEMORY_EXEC ? 'X' : '-'); + g_assert(!((uintptr_t)start & ~qemu_real_host_page_mask())); + g_assert(!(size & ~qemu_real_host_page_mask())); ret = hv_vm_protect(start, size, flags); assert_hvf_ok(ret); -- 2.51.0