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GET /api/patches/1707747/?format=api
{ "id": 1707747, "url": "http://patchwork.ozlabs.org/api/patches/1707747/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-um/patch/20221122100759.208290-17-benjamin@sipsolutions.net/", "project": { "id": 60, "url": "http://patchwork.ozlabs.org/api/projects/60/?format=api", "name": "User-mode Linux Development", "link_name": "linux-um", "list_id": "linux-um.lists.infradead.org", "list_email": "linux-um@lists.infradead.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20221122100759.208290-17-benjamin@sipsolutions.net>", "list_archive_url": null, "date": "2022-11-22T10:07:47", "name": "[v2,16/28] um: Add generic stub_syscall6 function", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "71ca83b514ffe2126c208aa61cadc61133a5ef13", "submitter": { "id": 67525, "url": "http://patchwork.ozlabs.org/api/people/67525/?format=api", "name": "Benjamin Berg", "email": "benjamin@sipsolutions.net" }, "delegate": { "id": 54851, "url": "http://patchwork.ozlabs.org/api/users/54851/?format=api", "username": "rw", "first_name": "Richard", "last_name": "Weinberger", "email": "richard@nod.at" }, "mbox": "http://patchwork.ozlabs.org/project/linux-um/patch/20221122100759.208290-17-benjamin@sipsolutions.net/mbox/", "series": [ { "id": 329466, "url": "http://patchwork.ozlabs.org/api/series/329466/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-um/list/?series=329466", "date": "2022-11-22T10:07:37", "name": "Implement SECCOMP based userland", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/329466/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1707747/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1707747/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=<UNKNOWN>)", "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=uKk0vF5r;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n secure) header.d=sipsolutions.net header.i=@sipsolutions.net\n header.a=rsa-sha256 header.s=mail header.b=SPiSO/lX;\n\tdkim-atps=neutral" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4NGg5b5ftDz23nm\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 22 Nov 2022 21:11:31 +1100 (AEDT)", "from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux))\n\tid 1oxQFP-007g1Z-Kc; Tue, 22 Nov 2022 10:11:23 +0000", "from s3.sipsolutions.net ([2a01:4f8:191:4433::2]\n helo=sipsolutions.net)\n\tby bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux))\n\tid 1oxQF2-007feP-P1\n\tfor linux-um@lists.infradead.org; Tue, 22 Nov 2022 10:11:07 +0000", "by sipsolutions.net with esmtpsa\n (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256)\n\t(Exim 4.96)\n\t(envelope-from <benjamin@sipsolutions.net>)\n\tid 1oxQEq-006IGn-0c;\n\tTue, 22 Nov 2022 11:10:48 +0100" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:\n\tMessage-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=f4sqbW8rKqa/hms6ewUZZfZFgmRbeLybBDfmavqdc9U=; b=uKk0vF5rDw6h1E\n\tHj6izraWcIpCmKMfAfUc/LqDQarr05MAQTOtW61otWiv+bLbaY4i91fN+ZJu02Q+ucqQVQptO42fO\n\tsOkaPYhobVq0X2OwDSet0PjbwSyngY5UweehfzukX5jYH5ECj2jfLM8T6yhoJrwrnIpmNVnspixhy\n\tIV1JDUXA0OIcVMcgKrbHZkfvIrAZjs2exjyWhF5kYs3zNo7bICOO/08YyxVZl+rxgL/c7gYvyGdJS\n\tIcarVj/h7J7PwU27zHzzrzqQRA2CU1DqAv0W+Xm1iOmhNBd+9Rsfz76UHvz/8cMMScJFGg6VIzDE8\n\tKT/9qNKFdlVen9sgxpsQ==;", "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version:\n\tReferences:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Content-Type:Sender\n\t:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To:\n\tResent-Cc:Resent-Message-ID; bh=ACRYc+CS+cUDm3uXCDeLw6TrDVcnT1N7kPOilWRt73c=;\n\tt=1669111857; x=1670321457; b=SPiSO/lXO5kutp/tkv0SglZabEXTx91BDt+ZbgzDQrs1GPt\n\tTCX2tdRHZROiLj9LiTldYn8egZihri1RnO+T4JHpY/WC59+zNYYIUM6YQFRLmCnbtptNeUcByOl6e\n\tcRvbvB31cu9677ctzAHPiw4eA8ra8PXkPBNSbq+Op4/JztWCGU+IXHdwcR75JYmbWOo9ZNs3DSoj/\n\tYbyKvWabFbMTh/WYKJOll7STcu2agnpxURssu8oOxq5frQBrNvhl9qsJT3LNF0yVg64zRCF4ngfkA\n\tjGfAdA4SAmJWI5mfgmVqO8YgoDQFjFqErE/2zg7wC/9KZsK8rL2zQ1f3usbtDcXg==;" ], "From": "benjamin@sipsolutions.net", "To": "linux-um@lists.infradead.org", "Cc": "Benjamin Berg <benjamin@sipsolutions.net>", "Subject": "[PATCH v2 16/28] um: Add generic stub_syscall6 function", "Date": "Tue, 22 Nov 2022 11:07:47 +0100", "Message-Id": "<20221122100759.208290-17-benjamin@sipsolutions.net>", "X-Mailer": "git-send-email 2.38.1", "In-Reply-To": "<20221122100759.208290-1-benjamin@sipsolutions.net>", "References": "<20221122100759.208290-1-benjamin@sipsolutions.net>", "MIME-Version": "1.0", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20221122_021100_888931_EC866E5E ", "X-CRM114-Status": "UNSURE ( 8.04 )", "X-CRM114-Notice": "Please train this message.", "X-Spam-Score": "-0.2 (/)", "X-Spam-Report": "Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: From: Benjamin Berg <benjamin@sipsolutions.net> This\n function\n will be used by the new syscall handling code. Signed-off-by: Benjamin\n Berg\n <benjamin@sipsolutions.net> --- arch/x86/um/shared/sysdep/stub_32.h | 22\n ++++++++++++++++++++++ arch/x86/um/shared/sysdep/stub_64.h | 16\n ++++++++++++++++\n 2 files changed, [...]\n Content analysis details: (-0.2 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 SPF_PASS SPF: sender matches SPF record\n -0.0 SPF_HELO_PASS SPF: HELO matches SPF record\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily\n valid\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain", "X-BeenThere": "linux-um@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "<linux-um.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-um>,\n <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-um/>", "List-Post": "<mailto:linux-um@lists.infradead.org>", "List-Help": "<mailto:linux-um-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-um>,\n <mailto:linux-um-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-um\" <linux-um-bounces@lists.infradead.org>", "Errors-To": "linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "From: Benjamin Berg <benjamin@sipsolutions.net>\n\nThis function will be used by the new syscall handling code.\n\nSigned-off-by: Benjamin Berg <benjamin@sipsolutions.net>\n---\n arch/x86/um/shared/sysdep/stub_32.h | 22 ++++++++++++++++++++++\n arch/x86/um/shared/sysdep/stub_64.h | 16 ++++++++++++++++\n 2 files changed, 38 insertions(+)", "diff": "diff --git a/arch/x86/um/shared/sysdep/stub_32.h b/arch/x86/um/shared/sysdep/stub_32.h\nindex 85a224506530..9531e52b0a3e 100644\n--- a/arch/x86/um/shared/sysdep/stub_32.h\n+++ b/arch/x86/um/shared/sysdep/stub_32.h\n@@ -80,6 +80,28 @@ static __always_inline long stub_syscall5(long syscall, long arg1, long arg2,\n \treturn ret;\n }\n \n+static __always_inline long stub_syscall6(long syscall, long arg1, long arg2,\n+\t\t\t\t\t long arg3, long arg4, long arg5,\n+\t\t\t\t\t long arg6)\n+{\n+\tstruct syscall_args {\n+\t int ebx, ebp;\n+\t} args = { arg1, arg6 };\n+\tlong ret;\n+\n+\t__asm__ volatile (\"pushl %%ebp;\"\n+\t\t\t\"movl 0x4(%%ebx),%%ebp;\"\n+\t\t\t\"movl (%%ebx),%%ebx;\"\n+\t\t\t\"int $0x80;\"\n+\t\t\t\"popl %%ebp\"\n+\t\t\t: \"=a\" (ret)\n+\t\t\t: \"0\" (syscall), \"b\" (&args),\n+\t\t\t\"c\" (arg2), \"d\" (arg3), \"S\" (arg4), \"D\" (arg5)\n+\t\t\t: \"memory\");\n+\n+\treturn ret;\n+}\n+\n static __always_inline void trap_myself(void)\n {\n \t__asm(\"int3\");\ndiff --git a/arch/x86/um/shared/sysdep/stub_64.h b/arch/x86/um/shared/sysdep/stub_64.h\nindex 2e7acba74dc3..bd2f62530bcc 100644\n--- a/arch/x86/um/shared/sysdep/stub_64.h\n+++ b/arch/x86/um/shared/sysdep/stub_64.h\n@@ -80,6 +80,22 @@ static __always_inline long stub_syscall5(long syscall, long arg1, long arg2,\n \treturn ret;\n }\n \n+static __always_inline long stub_syscall6(long syscall, long arg1, long arg2,\n+\t\t\t\t\t long arg3, long arg4, long arg5,\n+\t\t\t\t\t long arg6)\n+{\n+\tlong ret;\n+\n+\t__asm__ volatile (\"movq %5,%%r10 ; movq %6,%%r8 ; movq %7,%%r9 ; \"\n+\t\t__syscall\n+\t\t: \"=a\" (ret)\n+\t\t: \"0\" (syscall), \"D\" (arg1), \"S\" (arg2), \"d\" (arg3),\n+\t\t \"g\" (arg4), \"g\" (arg5), \"g\" (arg6)\n+\t\t: __syscall_clobber, \"r10\", \"r8\", \"r9\");\n+\n+\treturn ret;\n+}\n+\n static __always_inline void trap_myself(void)\n {\n \t__asm(\"int3\");\n", "prefixes": [ "v2", "16/28" ] }