From mboxrd@z Thu Jan 1 00:00:00 1970 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 6AD41C32774 for ; Tue, 23 Aug 2022 12:03:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359178AbiHWMDR (ORCPT ); Tue, 23 Aug 2022 08:03:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359857AbiHWMCo (ORCPT ); Tue, 23 Aug 2022 08:02:44 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CB5EDC083; Tue, 23 Aug 2022 02:36:50 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id AA908B81C96; Tue, 23 Aug 2022 09:36:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 07035C433D6; Tue, 23 Aug 2022 09:36:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661247392; bh=wAb9caDwUzbk7UBhI7cFlk+Z8maI1Aajsuhg8IEI720=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SvtnU8dDkL6IkfoD7/uAtQ0C8Qtd/H0RD+c7BEDTUS0HwtD8rSYscJ9gAzu48uozQ qXD2XCFzY+L5mjLTLm2wcCHwayW8q4xUEAv8xJj/ywSeV/qPOoMqiDwtSyVCDTmrvJ ZTwdghWsX0bRyaXOG/NvdDMOiLCsQ/ibF201a9Fw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Qifu Zhang , Tony Luck , "Rafael J. Wysocki" Subject: [PATCH 5.10 021/158] Documentation: ACPI: EINJ: Fix obsolete example Date: Tue, 23 Aug 2022 10:25:53 +0200 Message-Id: <20220823080046.936596544@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220823080046.056825146@linuxfoundation.org> References: <20220823080046.056825146@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Qifu Zhang commit 9066e151c37950af92c3be6a7270daa8e8063db9 upstream. Since commit 488dac0c9237 ("libfs: fix error cast of negative value in simple_attr_write()"), the EINJ debugfs interface no longer accepts negative values as input. Attempt to do so will result in EINVAL. Fixes: 488dac0c9237 ("libfs: fix error cast of negative value in simple_attr_write()") Signed-off-by: Qifu Zhang Reviewed-by: Tony Luck Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- Documentation/firmware-guide/acpi/apei/einj.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/Documentation/firmware-guide/acpi/apei/einj.rst +++ b/Documentation/firmware-guide/acpi/apei/einj.rst @@ -168,7 +168,7 @@ An error injection example:: 0x00000008 Memory Correctable 0x00000010 Memory Uncorrectable non-fatal # echo 0x12345000 > param1 # Set memory address for injection - # echo $((-1 << 12)) > param2 # Mask 0xfffffffffffff000 - anywhere in this page + # echo 0xfffffffffffff000 > param2 # Mask - anywhere in this page # echo 0x8 > error_type # Choose correctable memory error # echo 1 > error_inject # Inject now