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Date: Sun, 23 Dec 2012 10:58:20 +0800 From: Fengguang Wu <fengguang.wu@...el.com> To: Frederic Weisbecker <fweisbec@...il.com> Cc: Christopher Li <sparse@...isli.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [dynticks:3.7-nohz1 5/25] arch/x86/kernel/apm_32.c:910:38: sparse: incorrect type in argument 3 (different modifiers) On Sat, Dec 22, 2012 at 07:11:49PM +0100, Frederic Weisbecker wrote: > 2012/12/21 kbuild test robot <fengguang.wu@...el.com>: > > tree: git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git 3.7-nohz1 > > head: 46209cdbb7d5346c29b2243c54b298a233684a5a > > commit: 40d488f9fcd6840722402976f7a168e05819f526 [5/25] cputime: Use accessors to read task cputime stats > > > > > > sparse warnings: > > > > + arch/x86/kernel/apm_32.c:910:38: sparse: incorrect type in argument 3 (different modifiers) > > arch/x86/kernel/apm_32.c:910:38: expected unsigned long [nocast] [usertype] *stime > > arch/x86/kernel/apm_32.c:910:38: got unsigned long *<noident> > > Ok I must say I don't really understand this report. Do you have any > hint on what it means? It's possibly due to this "__nocast" modifier in the type definition: typedef unsigned long __nocast cputime_t; Not sure how to fix it though. > 40d488f9 arch/x86/kernel/apm_32.c Frederic Weisbecker 2012-11-13 902 cputime_t stime; > ^1da177e arch/i386/kernel/apm.c Linus Torvalds 2005-04-16 903 > ^1da177e arch/i386/kernel/apm.c Linus Torvalds 2005-04-16 904 int apm_idle_done = 0; > ^1da177e arch/i386/kernel/apm.c Linus Torvalds 2005-04-16 905 unsigned int jiffies_since_last_check = jiffies - last_jiffies; > ^1da177e arch/i386/kernel/apm.c Linus Torvalds 2005-04-16 906 unsigned int bucket; > ^1da177e arch/i386/kernel/apm.c Linus Torvalds 2005-04-16 907 > 99c63221 arch/x86/kernel/apm_32.c Len Brown 2011-04-01 908 WARN_ONCE(1, "deprecated apm_cpu_idle will be deleted in 2012"); > ^1da177e arch/i386/kernel/apm.c Linus Torvalds 2005-04-16 909 recalc: > 40d488f9 arch/x86/kernel/apm_32.c Frederic Weisbecker 2012-11-13 @910 task_cputime(current, NULL, &stime); Thanks, Fengguang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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