Message ID | 20240925150059.3955569-45-ardb+git@google.com (mailing list archive) |
---|---|
State | New |
Headers | show
Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4F8E5190663 for <linux-kbuild@vger.kernel.org>; Wed, 25 Sep 2024 15:02:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727276551; cv=none; b=q6r1TuE1qgY4g28ZdMUySHwWCA+9Nhh1vE8GNA7eaJnWs1v1neu09Q7YryiNeWeywBYWDjtk9kgvQCJowSBg+3BoKcWY/7VHIsqN6akYagoZIUFixqk54p/tnpvggMuMwJo3oGc1vvRGQf9H7aKhqditwdbcj/ObtVLb7lGymV4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727276551; c=relaxed/simple; bh=tOVKR1lo4TSaVSSD57+XbfuDxZ/gh43zpiGViV/8Jbk=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=IZSggig7/hi/ZWoHDIUJB5xiIXiZrJU+5UqEJwI11BhxYsxBQgEZ5iiMrKX9rzBB6Du7AsxDZMjQK2fJXA1ku8dSuRpLu2ti1atN0DAFWGsaaci4Q/8o4+yRBKFZHtvYOQHr+QDOFV47fQSSN9QGZ9kcRvnfK7Bb2NQbzjyId90= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--ardb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=GnkKjhtp; arc=none smtp.client-ip=209.85.128.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--ardb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="GnkKjhtp" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-6d4f52a4069so118678387b3.3 for <linux-kbuild@vger.kernel.org>; Wed, 25 Sep 2024 08:02:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1727276548; x=1727881348; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=ApY23d/9zEIgxeEREKcGvRSADQZAXD1f0/BrlQ4mdDw=; b=GnkKjhtp9zSMZYTexidLqwKc++D8bRxlmP6vfNPPiswSuKsY7b5gjmgIVcyTHNJmXV R7cILxiDBk7XWsrqChfpEINGugxqUdT9I5FgI4htYuOm1ROc5WGR59a0jlhTFRO/tjum CWVybAqQtX2snhNPb+A1mhvliI+J7VlZ0xZ3USnRGgmL1vakWwE8brOdDD8vlqavUm12 lanq2ZcCA7IIW/USsG0YE1Oa6h++SWt4alvAWiXjABfnGQRDtvpHHc+Nrb+8CBRvciCq nkpjydToaKAfAY4HeApliRfcLdyZvFqwlsJLIYZPyN43lymbKggonsBTZKs6FZRRm5WP HXJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727276548; x=1727881348; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ApY23d/9zEIgxeEREKcGvRSADQZAXD1f0/BrlQ4mdDw=; b=K0/OkOI1ske5XHukShzPK9EpqnBHfx7zU/7+3lQhnCVfrynEUvV7S1bggeLdFcuchr ufasac16pxhnm3gbKZqHNS2SsLhl7OpeMAJflWWFaoVHyu40TmLdCfMRRQT62ZNW+OZr JPI/d0PWRVjY9SySkIBVmLKU8YvIhwsz6lbWrhc+XL18idwAp6qhMdnRMdx/RYnCOB7U i/7KuNRa0QFzUXJ1yM6lQACY8WeQCh67h4T42li/MN3vqAtHrNYORDip2CbrspEpqj1e NMm8ujqEkPMC93/eUkObPv3CAXA2L97VFQeEaFFQK0ygo2T6D3+59bYb9Y6le87FkdzI jiNg== X-Forwarded-Encrypted: i=1; AJvYcCUQri/9KUredk45CTNJy61JLNFBk/LSaJb+kz82lpNuYLxZy92x6IuVlU466X4gTSQXCVHzgeVissNJIgU=@vger.kernel.org X-Gm-Message-State: AOJu0YzPlCY9710MQ1o48mUq5O5a1GyhsR3LxTfKoMXPVKUcaIYoJTek yenpUFuTBXU/pZ+8Awo6oG9Jt34TDegY6V2NaUTriRrWUIIgNzVI6PZf+IIxja7yif+YUg== X-Google-Smtp-Source: AGHT+IG0+ryHhOjgZiIz9yF/upguc+H1WcXc9rbc3LtAhjefmA+cSn7SHizdSFamvUM2J9fCM9A9Vr3/ X-Received: from palermo.c.googlers.com ([fda3:e722:ac3:cc00:7b:198d:ac11:8138]) (user=ardb job=sendgmr) by 2002:a05:690c:d85:b0:6db:e107:75a2 with SMTP id 00721157ae682-6e21da5c761mr429007b3.4.1727276548084; Wed, 25 Sep 2024 08:02:28 -0700 (PDT) Date: Wed, 25 Sep 2024 17:01:15 +0200 In-Reply-To: <20240925150059.3955569-30-ardb+git@google.com> Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: <linux-kbuild.vger.kernel.org> List-Subscribe: <mailto:linux-kbuild+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kbuild+unsubscribe@vger.kernel.org> Mime-Version: 1.0 References: <20240925150059.3955569-30-ardb+git@google.com> X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 X-Developer-Signature: v=1; a=openpgp-sha256; l=715; i=ardb@kernel.org; h=from:subject; bh=MI3z3hAzDWNLGP+bB6WD9qNMTMv7yb8jTXTlUIfHWCE=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIe2L6sHwPz3fHPWC8oK2RzHe5nszs/XmM4NX7P1ae3YFv bWd+fJLRykLgxgHg6yYIovA7L/vdp6eKFXrPEsWZg4rE8gQBi5OAZjI/9UMfwVfxZ9hrm+9xvze 6zfvw/cKoUe5Kv5w1pmKsYfxH/f4do3hf+75iD2ndC64zYjxsFPZpbpKIrxBk/fzstDCxW8eO9h OYgAA X-Mailer: git-send-email 2.46.0.792.g87dc391469-goog Message-ID: <20240925150059.3955569-45-ardb+git@google.com> Subject: [RFC PATCH 15/28] x86/sync_core: Use RIP-relative addressing From: Ard Biesheuvel <ardb+git@google.com> To: linux-kernel@vger.kernel.org Cc: Ard Biesheuvel <ardb@kernel.org>, x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, Andy Lutomirski <luto@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Uros Bizjak <ubizjak@gmail.com>, Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>, Christoph Lameter <cl@linux.com>, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Paolo Bonzini <pbonzini@redhat.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Juergen Gross <jgross@suse.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Arnd Bergmann <arnd@arndb.de>, Masahiro Yamada <masahiroy@kernel.org>, Kees Cook <kees@kernel.org>, Nathan Chancellor <nathan@kernel.org>, Keith Packard <keithp@keithp.com>, Justin Stitt <justinstitt@google.com>, Josh Poimboeuf <jpoimboe@kernel.org>, Arnaldo Carvalho de Melo <acme@kernel.org>, Namhyung Kim <namhyung@kernel.org>, Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>, Kan Liang <kan.liang@linux.intel.com>, linux-doc@vger.kernel.org, linux-pm@vger.kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, linux-efi@vger.kernel.org, linux-arch@vger.kernel.org, linux-sparse@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-perf-users@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev Content-Type: text/plain; charset="UTF-8" |
Series |
x86: Rely on toolchain for relocatable code
|
expand
|
diff --git a/arch/x86/include/asm/sync_core.h b/arch/x86/include/asm/sync_core.h index ab7382f92aff..cfd2f3bca83b 100644 --- a/arch/x86/include/asm/sync_core.h +++ b/arch/x86/include/asm/sync_core.h @@ -31,7 +31,8 @@ static inline void iret_to_self(void) "pushfq\n\t" "mov %%cs, %0\n\t" "pushq %q0\n\t" - "pushq $1f\n\t" + "leaq 1f(%%rip), %q0\n\t" + "pushq %q0\n\t" "iretq\n\t" "1:" : "=&r" (tmp), ASM_CALL_CONSTRAINT : : "cc", "memory");