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[88.10.103.181]) by smtp.gmail.com with ESMTPSA id m3sm2036192wmc.0.2020.06.09.00.32.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2020 00:32:17 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 02/16] hw/misc/empty_slot: Lower address space priority Date: Tue, 9 Jun 2020 09:32:00 +0200 Message-Id: <20200609073214.14079-3-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200609073214.14079-1-f4bug@amsat.org> References: <20200609073214.14079-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::341; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x341.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: Aleksandar Rikalo , Mark Cave-Ayland , KONRAD Frederic , Fabien Chouteau , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aleksandar Markovic , Artyom Tarasenko , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Empty slots model RAZ/WI access on a bus. Since we can still (hot) plug devices on the bus, lower the slot priority, so device added later is accessed first. Signed-off-by: Philippe Mathieu-Daudé Acked-by: Artyom Tarasenko Message-Id: <20200510152840.13558-3-f4bug@amsat.org> --- hw/core/empty_slot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/core/empty_slot.c b/hw/core/empty_slot.c index 3ba450e1ca..5ab426e965 100644 --- a/hw/core/empty_slot.c +++ b/hw/core/empty_slot.c @@ -67,7 +67,7 @@ void empty_slot_init(hwaddr addr, uint64_t slot_size) qdev_init_nofail(dev); - sysbus_mmio_map(s, 0, addr); + sysbus_mmio_map_overlap(s, 0, addr, -10000); } } -- 2.21.3