From nobody Sun Feb 8 02:55:53 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19234C77B7F for ; Fri, 19 May 2023 06:09:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229832AbjESGJF (ORCPT ); Fri, 19 May 2023 02:09:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229489AbjESGJE (ORCPT ); Fri, 19 May 2023 02:09:04 -0400 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39DEE10DC for ; Thu, 18 May 2023 23:09:03 -0700 (PDT) Received: by mail-pl1-x635.google.com with SMTP id d9443c01a7336-1ae87bdc452so557685ad.2 for ; Thu, 18 May 2023 23:09:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684476542; x=1687068542; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=acsQIdfOS76XIGk2swzVCmK3bhSNOQiVKEd2nYdPHpU=; b=Z2qCGytiQpchdC6MxLuKGoEvkb2VfBPkRy2QsiC5Q1O3AOnOKHJw9in47cqEYkMy1I UPEYPuSkizH6nzxRp4OEjAUDHKoFHVK/io21UxMWJvdD2YgbVZiQmK4w4ntxX/i99Av1 NwC3B7dkT63/FH02hZu2VNkDBWg3TRTVFbZduKLgPy3OijMuBjGU0eBtkzARLBCIpTy/ ApmtnZNeI22IkxZM1GMfsBFwNTPEiahf6S9R1WHykTKppX3Afs8hR4sUWC4f4f1HE3/6 bWmD7YMPpR2bAu5zaMs6o+HF13Dwhza2abnLD8ZPoOEnAtexriKADNnqPtBtTdPIKtDZ N8YA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684476542; x=1687068542; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=acsQIdfOS76XIGk2swzVCmK3bhSNOQiVKEd2nYdPHpU=; b=L8I93e6S2xomgIsem5eRz2acIUNIRZxGFS7XTkFdXpqDOfa/Vagr+wDRvKH5XePTzs pArbAq+kcuOiIEUmOOLkq4NosnZvfF4z8QW4GOXNVoRIVyeJhBZzDpCglFxV0jktIMA1 IJf//aj9bNiUIrJzc0Yqv0mIKk9BIq0hLB1n7H+3YRJh1/eABxOhVAmEX5tCbd7lIBji d0Dh3xjU44BWT2d/BDfaBF7S7z4yRw9YU/wwg+GvRcQK9D3SGD+QzfDM8gc9f/+aA1RC nl2KGkAsLnFifmaRZNBtz+G6KsVFirDOnCK6i4kNw4rQnHQ7UOknXD5PCfMWNCH9a2Jf Mzlw== X-Gm-Message-State: AC+VfDx7hi30HNEDrdUa6ZFBt/qt5+Gx3mq1KwOyCydlAK3rOeh1gm7W 3hdBeoFsN0PqdWvMpSxu/WU= X-Google-Smtp-Source: ACHHUZ6QvRaX1TLkAV5jlA5TIsRZxiJZnHkB7qA3Qv2B9/UdpMj2b2oN78KP8GZIw345iuylwsH9ig== X-Received: by 2002:a17:902:e848:b0:1ad:d500:19d3 with SMTP id t8-20020a170902e84800b001add50019d3mr1989643plg.23.1684476542275; Thu, 18 May 2023 23:09:02 -0700 (PDT) Received: from localhost.localdomain ([221.226.144.218]) by smtp.gmail.com with ESMTPSA id u1-20020a17090282c100b001a64a2b790fsm2508936plz.164.2023.05.18.23.08.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 May 2023 23:09:01 -0700 (PDT) From: Song Shuai To: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, jeeheng.sia@starfivetech.com, mason.huo@starfivetech.com, conor.dooley@microchip.com Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Song Shuai Subject: [PATCH] riscv: hibernation: Replace jalr with jr before suspend_restore_regs Date: Fri, 19 May 2023 14:08:54 +0800 Message-Id: <20230519060854.214138-1-suagrfillet@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" No need to link the x1/ra reg via jalr before suspend_restore_regs So it's better to replace jalr with jr. Signed-off-by: Song Shuai Reviewed-by: JeeHeng Sia --- arch/riscv/kernel/hibernate-asm.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/riscv/kernel/hibernate-asm.S b/arch/riscv/kernel/hibernat= e-asm.S index effaf5ca5da0..5c76671c7e15 100644 --- a/arch/riscv/kernel/hibernate-asm.S +++ b/arch/riscv/kernel/hibernate-asm.S @@ -50,7 +50,7 @@ ENTRY(hibernate_restore_image) REG_L s4, restore_pblist REG_L a1, relocated_restore_code =20 - jalr a1 + jr a1 END(hibernate_restore_image) =20 /* @@ -73,5 +73,5 @@ ENTRY(hibernate_core_restore_code) REG_L s4, HIBERN_PBE_NEXT(s4) bnez s4, .Lcopy =20 - jalr s2 + jr s2 END(hibernate_core_restore_code) --=20 2.20.1