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([71.212.131.115]) by smtp.gmail.com with ESMTPSA id c25-20020aa781d9000000b0068a54866ca8sm1906977pfn.134.2023.08.31.19.23.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Aug 2023 19:23:34 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: laurent@vivier.eu, alex.bennee@linaro.org Subject: [PATCH v2 03/33] linux-user: Remove qemu_host_page_{size, mask} in probe_guest_base Date: Thu, 31 Aug 2023 19:23:01 -0700 Message-Id: <20230901022331.115247-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230901022331.115247-1-richard.henderson@linaro.org> References: <20230901022331.115247-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org The host SHMLBA is by definition a multiple of the host page size. Thus the remaining component of qemu_host_page_size is the target page size. Signed-off-by: Richard Henderson --- linux-user/elfload.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 803281a53a..7851003147 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -2712,7 +2712,7 @@ static bool pgb_addr_set(PGBAddrs *ga, abi_ulong guest_loaddr, /* Add any HI_COMMPAGE not covered by reserved_va. */ if (reserved_va < HI_COMMPAGE) { - ga->bounds[n][0] = HI_COMMPAGE & qemu_host_page_mask; + ga->bounds[n][0] = HI_COMMPAGE & -qemu_real_host_page_size(); ga->bounds[n][1] = HI_COMMPAGE + TARGET_PAGE_SIZE - 1; n++; } @@ -2894,7 +2894,7 @@ void probe_guest_base(const char *image_name, abi_ulong guest_loaddr, abi_ulong guest_hiaddr) { /* In order to use host shmat, we must be able to honor SHMLBA. */ - uintptr_t align = MAX(SHMLBA, qemu_host_page_size); + uintptr_t align = MAX(SHMLBA, TARGET_PAGE_SIZE); /* Sanity check the guest binary. */ if (reserved_va) {