From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D675E606A319 for ; Thu, 22 Oct 2026 15:02:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=A6mLbVzj; dkim=pass (2048-bit key, unprotected) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=2kUGpeTG; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=rACQg86H DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=UzBCi/OSOXBVd/hf35Hctx/8s00KKyC8gNB54GWWKuw=; b=A6mLbVzjRe1YR9HtSqPpwG4w/4 0U5w4lsv+5ovHoI4cm2hhUS7skE5J+umpSfYKKG7T/SkZPR1AWF7t1HAkBRS4cRNjJGQfZ2lYjnZW jqxIzLuwc9QyPAPNR5279qg6glK2Zc50uk+OinYfEYCbqrD/B7mbspy2pFqeksEugkuPkwpPpSHl7 /i2buHzV8rwTppkJbkRD1F+FfIE7gmUDE/ImnCRztKh5reOxOU6szwPGxvpUpUB56pHQjd9inEsoO A4KAx59nvfvEKIfakux5ExWXxZakVFFNEPDhegmK6iAkEPcNKz963HmAOykhBrxZYSIXt4Sw8KUA4 xZXb5o3w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xJuJY-0000000ENCG-3mOQ; Thu, 22 Oct 2026 15:02:44 +0000 Received: from galois.linutronix.de ([2a0a:51c0:0:12e:550::1]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xJuJV-0000000ENBV-23v0; Thu, 22 Oct 2026 15:02:42 +0000 Date: Thu, 22 Oct 2026 17:02:35 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1792681357; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UzBCi/OSOXBVd/hf35Hctx/8s00KKyC8gNB54GWWKuw=; b=2kUGpeTGDVBuYHmtDUk+ioLvFvif4ltj8rhWzocDuPm3HaFe4R4vTlOrnH+/NsK85KtmTp BQjRWdChCYWAdK0+eKUDRrdj71IFDIxlOzl/dpE7YHJOp63rkeZsrL+lIMWPOayKDZmWQS jZAmsd4OLiERAIm81xpmW1yxnaZhra+XaRdURt8feLSfDQkUZypkuicnE2Chx4WDXJq1W7 gDW8/bA/PN+qgiQxlc+hLTJKpE5MORxYd7/+QpWeOeTOBVrrUrdM+PZPV0PqyhtRPzLVvf zZtCZj7gdLMshXYHbUIElhTwDBoSLh7+UVN4FV0jNASdMsB3S53YU8lnjUcMbw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1792681357; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UzBCi/OSOXBVd/hf35Hctx/8s00KKyC8gNB54GWWKuw=; b=rACQg86HepNQ8r26wtL/lrV9xxe+QpJ6z/mp4SnHXzsO+wI4ld+mzpC3AGpr+fKJ/pFfac AwRn+5gmUDC3CcCw== From: Sebastian Andrzej Siewior To: Thomas Gleixner Cc: LKML , Peter Zijlstra , Michael Ellerman , Shrikanth Hegde , linuxppc-dev@lists.ozlabs.org, Kees Cook , Huacai Chen , loongarch@lists.linux.dev, Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, Sven Schnelle , linux-s390@vger.kernel.org, x86@kernel.org, Mark Rutland , Jinjie Ruan , Andy Lutomirski , Oleg Nesterov , Richard Henderson , Russell King , Catalin Marinas , Guo Ren , Geert Uytterhoeven , Thomas Bogendoerfer , Helge Deller , Yoshinori Sato , Richard Weinberger , Chris Zankel , linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org, linux-csky@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, Arnd Bergmann , Vineet Gupta , Will Deacon , Brian Cain , Michal Simek , Dinh Nguyen , "David S. Miller" , Andreas Larsson , linux-snps-arc@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-openrisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, Michal =?utf-8?B?U3VjaMOhbmVr?= , Jonathan Corbet , linux-doc@vger.kernel.org, "H. Peter Anvin" Subject: Re: [patch 16/18] x86/entry: Get rid of the sys_ni_syscall() indirection Message-ID: <20261022150235.V2CSdtmu@linutronix.de> References: <20260707181957.433213175@kernel.org> <20260707190254.493733289@kernel.org> <20261022142425.3Wx-RrU5@linutronix.de> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20261022142425.3Wx-RrU5@linutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261022_080241_695314_B1825290 X-CRM114-Status: GOOD ( 11.53 ) X-Spam-Score: -2.8 (--) X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 2026-10-22 16:24:30 [+0200], To Thomas Gleixner wrote: > The test could be updated via the hunk below in case the new behaviour > is what is expected. hpa made the extension to the test in commit > 795e2a023b808 ("selftests/x86/syscall: Add tests under ptrace to > syscall_numbering_64"). >=20 > diff --git a/tools/testing/selftests/x86/syscall_numbering.c b/tools/test= ing/selftests/x86/syscall_numbering.c > index ca0eca7b9dced..1435394fba022 100644 > --- a/tools/testing/selftests/x86/syscall_numbering.c > +++ b/tools/testing/selftests/x86/syscall_numbering.c Now I notice the fix depends on CONFIG_X86_X32_ABI=3Dy (fails for =3Dn). But we want to get rid of it anyway so=E2=80=A6 CONFIG_IA32_EMULATION is not affected (with the fix). Sebastian