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[88.21.204.71]) by smtp.gmail.com with ESMTPSA id s8sm19887710wrt.69.2020.05.25.22.58.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 May 2020 22:58:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rxgWqsaxiMy6B4YGC/YTXF3N15jU8g4frTvpAKYBgWQ=; b=hKMdrWXgwmtFqyC422/xyzeYJvLkmww6uKsJmrFns5MSVK11NQgbCjxbwOf6NRr+Lf JQHQbv0coj8CcSAXk06xosPlqGyjP5cKPNfaSpzTFtQWu19Jsuz55LvpCLPuvK2fPayM KzaWPK3NZSwWPQ7Bk5d1VkFUsvjEMwohQ6zRLd042b/vuSh3Fl2upSQOTKdLcR0VFGbw I/HNoS2sWUVlgfRTFkFy4grKC8YkirC+EWx/2Sfm5woY/mG5QmN1GEwmCaAlPBKHix9A Fd+vebVs5ulfWfCmcnq+/5WDuZ5R7PCA5OLMPSh04HnLVyAbzKf48czEMqKbpKPuFVfh su9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=rxgWqsaxiMy6B4YGC/YTXF3N15jU8g4frTvpAKYBgWQ=; b=QwJUCsKDwmRTu6HLei7uTTyTmsDbUEyDL0I0a00vMKURZjQ8wQRdob+x82BfaY0hEK L3oLi0272SMFOvdg4QbYIlZWLkakeIAc2aQdI8Bac2A5PnGr8O3P/1/uYpHXrwYI8UmA l5slvvS+oDoTF877L7UoFSgXl6Q91+ckYkZDh/pWdqoM8Y+9ndCDnFTdr0JiwcPKeMZJ xvrIAkwYX/B8oLfalwaomZgBfFhSHDvSQmjvVsflUhgNkCAC94Ps+aoyeJnTi3pxi3s4 D13TJMZEZb3VoYp8GOKf2lSPmG7zy4gHf/JkLTHn2mm3vYYvdamm7xfk6E/NtgWVxwXG odTg== X-Gm-Message-State: AOAM530HSBJzMAPEn9YZijl5+/9znOUAdxMMb++0swFwLVC6PgwQewaQ gUWp43iJgNxRCvsgZkGedgtGzdi+5kM= X-Google-Smtp-Source: ABdhPJzBX/UihyTemnwXE7hDCVTIvZAoyhHm3GF+NdXxxzAQyBAPLMVFMQJ0Pm67h5pYoGX0VfWoXw== X-Received: by 2002:a5d:6288:: with SMTP id k8mr3765544wru.94.1590472704674; Mon, 25 May 2020 22:58:24 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 1/2] tests/qtest/fuzz: Avoid QTest ioport serialization Date: Tue, 26 May 2020 07:58:19 +0200 Message-Id: <20200526055820.12999-2-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200526055820.12999-1-f4bug@amsat.org> References: <20200526055820.12999-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::441; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x441.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: Laurent Vivier , Thomas Huth , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alexander Bulekov , Bandan Das , Stefan Hajnoczi , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) We don't need to serialize over QTest chardev when we can directly access the globally registered I/O address space. i440fx-qtest-reboot-fuzz gets 2x performance improvement. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- tests/qtest/fuzz/i440fx_fuzz.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/tests/qtest/fuzz/i440fx_fuzz.c b/tests/qtest/fuzz/i440fx_fuzz.c index bcd6769b4c..d770caffa7 100644 --- a/tests/qtest/fuzz/i440fx_fuzz.c +++ b/tests/qtest/fuzz/i440fx_fuzz.c @@ -20,6 +20,7 @@ #include "fuzz/qos_fuzz.h" #include "fuzz/fork_fuzz.h" =20 +#include "exec/address-spaces.h" =20 #define I440FX_PCI_HOST_BRIDGE_CFG 0xcf8 #define I440FX_PCI_HOST_BRIDGE_DATA 0xcfc @@ -59,22 +60,28 @@ static void ioport_fuzz_qtest(QTestState *s, I440FX_PCI_HOST_BRIDGE_DATA; switch (a.opcode % ACTION_MAX) { case WRITEB: - qtest_outb(s, addr, (uint8_t)a.value); + address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPEC= IFIED, + &a.value, sizeof(uint8_t)); break; case WRITEW: - qtest_outw(s, addr, (uint16_t)a.value); + address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPEC= IFIED, + &a.value, sizeof(uint16_t)); break; case WRITEL: - qtest_outl(s, addr, (uint32_t)a.value); + address_space_write(&address_space_io, addr, MEMTXATTRS_UNSPEC= IFIED, + &a.value, sizeof(uint32_t)); break; case READB: - qtest_inb(s, addr); + address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECI= FIED, + &a.value, sizeof(uint8_t)); break; case READW: - qtest_inw(s, addr); + address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECI= FIED, + &a.value, sizeof(uint16_t)); break; case READL: - qtest_inl(s, addr); + address_space_read(&address_space_io, addr, MEMTXATTRS_UNSPECI= FIED, + &a.value, sizeof(uint32_t)); break; } /* Move to the next operation */ --=20 2.21.3