Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp3326313pxf; Mon, 5 Apr 2021 09:06:09 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwwXfFXw2otJwJviI8aObrzliBZlQmt/f2LmBW5h2StXjmqA/rrticlCawUUr700tfNiM/H X-Received: by 2002:adf:db49:: with SMTP id f9mr16590349wrj.394.1617638769200; Mon, 05 Apr 2021 09:06:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617638769; cv=none; d=google.com; s=arc-20160816; b=a4H2pBCdZcTYu98S7NjIcJiBxnYKXMK1toHwxFXktl+1jwMXj61Rcw5XCBjsF4qd3M yQxkIyPddi0v0JMBl54M98urKVXDBq4Ey7bnAvb3QwXvyvL2e65LvbbNM3nXTS6/i0/w n5AEJy3jN/TmWZZXxlYsTs0V3+jGkxkD8FG5te8ZpVtutaMQZlIuo6P4gBdn012PWyh+ V7lYSXF7S3dMmi4uBKiC0hyvF2FRN15CYmZh1dhPQS/s6h0xgWKPnIhdz0M/ZYqj8yP+ UcKLtrUfQ7U+E1yeR2OcFS97JT+2iGN7Tl3xlQJYpgRzexIvTEeYHwg5j8o4kckKuqPy wQYg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=Xlz43BX1dx9FD8NOZveRL6PJAhMbBAyrntP9Fx9ZMnQ=; b=zxOndv3Iv5ym0STb/pdmV2JjazfnujsRuA6AbkJxmqvuFxrapPvJDY9nhmFPUn9qo+ 8Y52ZGTPIZc6RKpJcLwI3Cq/FmMOpWE/H+scmUzRXccItS72TeEYayfU0f+K0PcJ1x71 mWgUuwlrWWoCuWZPcf/ILzdTqoZpB+aq2Kbbq5kYqnHYPjz7EIWMLSd2ipKknBvBS53L ZhyBHL2FnR6r43sxM2TwxZzFqVi4BVT0rjYv4IZDDXpTN93C+v8Fv9m0iAWJ06U9RClI H6qtRoJTNBBX4QbSwH4UAR3uClSuuTy5k9sJtBWTNF3pkbtF3pEdbhANIIvaqk3+icVq 7glQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=QhxqxaKL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f16si15543449edj.210.2021.04.05.09.05.45; Mon, 05 Apr 2021 09:06:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=QhxqxaKL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239089AbhDEJMB (ORCPT + 99 others); Mon, 5 Apr 2021 05:12:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:54866 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238769AbhDEJI7 (ORCPT ); Mon, 5 Apr 2021 05:08:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1FCF961393; Mon, 5 Apr 2021 09:08:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617613732; bh=chm6YtL0NmH9DtgHajEjtlF/dcJlt3FvkVNXFak/v0I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QhxqxaKLjKCrV96LN4pFNCtKB76kihTIeF3lLZOXOj1cgt2f4U4CNF1a+AIqy7B6I 0s4YF5mAeaxHvqKlwTcPiYSkfQDb7+K/McTgsC/taXKcwZ1xo/Ii7pkx5Ei3gKKn4c LIK8L/u+58iDgBMeYZIqwpZvHQtDnX0sn3fElUvM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Heiko Carstens Subject: [PATCH 5.10 070/126] s390/vdso: copy tod_steering_delta value to vdso_data page Date: Mon, 5 Apr 2021 10:53:52 +0200 Message-Id: <20210405085033.368322792@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210405085031.040238881@linuxfoundation.org> References: <20210405085031.040238881@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Heiko Carstens commit 72bbc226ed2ef0a46c165a482861fff00dd6d4e1 upstream. When converting the vdso assembler code to C it was forgotten to actually copy the tod_steering_delta value to vdso_data page. Which in turn means that tod clock steering will not work correctly. Fix this by simply copying the value whenever it is updated. Fixes: 4bff8cb54502 ("s390: convert to GENERIC_VDSO") Cc: # 5.10 Signed-off-by: Heiko Carstens Signed-off-by: Greg Kroah-Hartman --- arch/s390/kernel/time.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -398,6 +398,7 @@ static void clock_sync_global(unsigned l tod_steering_delta); tod_steering_end = now + (abs(tod_steering_delta) << 15); vdso_data->arch_data.tod_steering_end = tod_steering_end; + vdso_data->arch_data.tod_steering_delta = tod_steering_delta; /* Update LPAR offset. */ if (ptff_query(PTFF_QTO) && ptff(&qto, sizeof(qto), PTFF_QTO) == 0)