From nobody Tue Feb 10 21:39:05 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4D991443CA5; Thu, 8 Jan 2026 09:28:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767864516; cv=none; b=qJWKoiqqLCo6eoT/HFg9J4px7+6sJ0GlrefeKWbUa/Hzl2Su4EVRD4bqBajTvDczDqCXirqmNvGUaJfjxsGUoyQt1ePSwmm0kk5AnsWdiS1Fw2nZDUM2uZGY9soLMhbCBavN3o6uRFOQUSJ1KOO7xMwciepEeeSLBZ9iyepl4UA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767864516; c=relaxed/simple; bh=zfrVg75Z35z2oocHCko1HgTUe+XNiB/uDzsXNZhpNQ8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S9fVF5P3Bed41NPIK8tT4zinLRxyQujQgNt2t9O+TZgwWbk6D0xZBsOO1r+zYTOiI2YNQmKIWSIkWbSrCQSTbZrezVuXsXAlHqUw9sgGxSnDXlhfu4wetfxti4TltXAWDEG+kwRgGRFqgrQK86m0WH38mLG2avy/rje5d1113Bc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WeU18qKY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WeU18qKY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79F92C16AAE; Thu, 8 Jan 2026 09:28:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767864514; bh=zfrVg75Z35z2oocHCko1HgTUe+XNiB/uDzsXNZhpNQ8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WeU18qKYZHmj0RkHtk5d54Rdrzc6BL2hnOW64m4WuAJnYYpr1yCRWDGCqur64e0p3 6Mf3BsW9dK2t4Rjdh58qeLu2X+WnNG64CqFAKFDHh/xJ6IFtJzEiVZ6U2MHQa+zAv/ spFST6PhdUX3QqUdIQFp+rBhI2Z+grdQpm6kZtE6xC5zcOpm4XjP3cAu8EofQsiI0a rJ1RUIMGEaL2aYrzJmL89SaSf3C80YoD+MDwzU9sDzENLiFg5yOwCWRVadI3FzhYbH JSfzhmTW2v1ZOTaSI5Im4j6KLM6eK/0WdNTUhTgIZF6I9Y7PAvZ753qUYS5/hRie78 VFY5s7KQB7E0w== From: Ard Biesheuvel To: linux-kernel@vger.kernel.org Cc: x86@kernel.org, Ard Biesheuvel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Josh Poimboeuf , Peter Zijlstra , Kees Cook , Uros Bizjak , Brian Gerst , linux-hardening@vger.kernel.org Subject: [RFC/RFT PATCH 14/19] x86/hibernate: Prefer RIP-relative accesses Date: Thu, 8 Jan 2026 09:25:41 +0000 Message-ID: <20260108092526.28586-35-ardb@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260108092526.28586-21-ardb@kernel.org> References: <20260108092526.28586-21-ardb@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1165; i=ardb@kernel.org; h=from:subject; bh=zfrVg75Z35z2oocHCko1HgTUe+XNiB/uDzsXNZhpNQ8=; b=owGbwMvMwCVmkMcZplerG8N4Wi2JITO+Qurvnaa9+/M/zv949MW6i8Fuh5exHtr3MPV9qfIjK WdXN9WsjlIWBjEuBlkxRRaB2X/f7Tw9UarWeZYszBxWJpAhDFycAjCR4w8Y/qde2msXrib92O/A 78/rFse/eD21jz89+OyKa4G3bU6JTDRlZJhXpnxzwuuwA5uyNJSX3zXNvr5hnsHSsLW90seeC53 dVccJAA== X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace some absolute symbol references with RIP-relative ones, to avoid fixups at boot time. This is a prerequisite for PIE linking, which only permits 64-bit wide loader-visible absolute references. Signed-off-by: Ard Biesheuvel --- arch/x86/power/hibernate_asm_64.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/power/hibernate_asm_64.S b/arch/x86/power/hibernate_a= sm_64.S index c73be0a02a6c..173df717275a 100644 --- a/arch/x86/power/hibernate_asm_64.S +++ b/arch/x86/power/hibernate_asm_64.S @@ -40,7 +40,7 @@ SYM_FUNC_START(restore_registers) movq %rax, %cr4; # turn PGE back on =20 /* We don't restore %rax, it must be 0 anyway */ - movq $saved_context, %rax + leaq saved_context(%rip), %rax movq pt_regs_sp(%rax), %rsp movq pt_regs_bp(%rax), %rbp movq pt_regs_si(%rax), %rsi @@ -71,7 +71,7 @@ SYM_FUNC_START(restore_registers) SYM_FUNC_END(restore_registers) =20 SYM_FUNC_START(swsusp_arch_suspend) - movq $saved_context, %rax + leaq saved_context(%rip), %rax movq %rsp, pt_regs_sp(%rax) movq %rbp, pt_regs_bp(%rax) movq %rsi, pt_regs_si(%rax) --=20 2.47.3