From mboxrd@z Thu Jan 1 00:00:00 1970 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 0A0B663B8 for ; Mon, 20 Feb 2023 13:40:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89233C433D2; Mon, 20 Feb 2023 13:40:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1676900445; bh=a56pNFFLG4q5dEhUVYekM+VIIJNZOKwNNWXdMKY6ccQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dEDm5EVaPCM7IN8QUTvVI6dEe0o/L4p/r9EsYjBinOtDRmZVS/bVVVN1uBTohMs3c TqCsUjpFuiXd7Rr/Wi6n24/QuKFJjSIQAZcxWqMM9eEhRtql3c3dla9kNpnjmh4wz2 XWkm+vragPuXiBvnnfVrmvIPiWgIlNOrzDIawW+A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alexander Egorenkov , Heiko Carstens Subject: [PATCH 4.19 28/89] watchdog: diag288_wdt: fix __diag288() inline assembly Date: Mon, 20 Feb 2023 14:35:27 +0100 Message-Id: <20230220133554.163482014@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230220133553.066768704@linuxfoundation.org> References: <20230220133553.066768704@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Alexander Egorenkov commit 32e40f9506b9e32917eb73154f93037b443124d1 upstream. The DIAG 288 statement consumes an EBCDIC string the address of which is passed in a register. Use a "memory" clobber to tell the compiler that memory is accessed within the inline assembly. Signed-off-by: Alexander Egorenkov Reviewed-by: Heiko Carstens Cc: Signed-off-by: Heiko Carstens Signed-off-by: Greg Kroah-Hartman --- drivers/watchdog/diag288_wdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/watchdog/diag288_wdt.c +++ b/drivers/watchdog/diag288_wdt.c @@ -88,7 +88,7 @@ static int __diag288(unsigned int func, "1:\n" EX_TABLE(0b, 1b) : "+d" (err) : "d"(__func), "d"(__timeout), - "d"(__action), "d"(__len) : "1", "cc"); + "d"(__action), "d"(__len) : "1", "cc", "memory"); return err; }