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Wed, 9 Sep 2020 08:22:15 -0400 (EDT) Date: Wed, 9 Sep 2020 14:22:25 +0200 From: Greg KH To: Stephen Rothwell Cc: Arnd Bergmann , Jim Cromie , Linux Next Mailing List , Linux Kernel Mailing List Subject: Re: linux-next: build warning after merge of the char-misc.current tree Message-ID: <20200909122225.GA668220@kroah.com> References: <20200908094317.6dc1cb2a@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200908094317.6dc1cb2a@canb.auug.org.au> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 08, 2020 at 09:43:17AM +1000, Stephen Rothwell wrote: > Hi all, > > After merging the char-misc.current tree, today's linux-next build > (x86_64 allmodconfig) produced this warning: > > In file included from include/linux/printk.h:7, > from include/linux/kernel.h:15, > from lib/dynamic_debug.c:16: > lib/dynamic_debug.c: In function 'ddebug_parse_query': > include/linux/kern_levels.h:5:18: warning: format '%s' expects a matching 'char *' argument [-Wformat=] > 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ > | ^~~~~~ > include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH' > 14 | #define KERN_INFO KERN_SOH "6" /* informational */ > | ^~~~~~~~ > include/linux/printk.h:369:9: note: in expansion of macro 'KERN_INFO' > 369 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~~~~ > lib/dynamic_debug.c:116:3: note: in expansion of macro 'pr_info' > 116 | pr_info(fmt, ##__VA_ARGS__); \ > | ^~~~~~~ > lib/dynamic_debug.c:119:28: note: in expansion of macro 'vnpr_info' > 119 | #define vpr_info(fmt, ...) vnpr_info(1, fmt, ##__VA_ARGS__) > | ^~~~~~~~~ > lib/dynamic_debug.c:388:3: note: in expansion of macro 'vpr_info' > 388 | vpr_info("module:%s queries:'%s'\n", modname); > | ^~~~~~~~ > > Introduced by commit > > 42f07816ac0c ("dyndbg: fix problem parsing format="foo bar"") Odd it doesn't show up in my builds, or in 0-day :( Jim, can you send a fix for this, or is this due to some other tree's issues? thanks, greg k-h