The patch titled arch/x86/kernel/hpet.c: make the "hpet: compare register read back failed" warning conditional on the hpet=verbose boot option has been added to the -mm tree. Its filename is arch-x86-kernel-hpetc-make-the-hpet-compare-register-read-back-failed-warning-conditional-on-the-hpet=verbose-boot-option.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: arch/x86/kernel/hpet.c: make the "hpet: compare register read back failed" warning conditional on the hpet=verbose boot option From: john stultz <johnstul@xxxxxxxxxx> A considerable number of people are hitting this warning and are raising "bug" reports. We don't seem to be getting much benefit from the warning, so let's hide it unless hpet-verbose. Signed-off-by: John Stultz <johnstul@xxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxx> Cc: Venkatesh Pallipadi <venki@xxxxxxxxxx> Cc: Zhang Rui <rui.zhang@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/x86/kernel/hpet.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff -puN arch/x86/kernel/hpet.c~arch-x86-kernel-hpetc-make-the-hpet-compare-register-read-back-failed-warning-conditional-on-the-hpet=verbose-boot-option arch/x86/kernel/hpet.c --- a/arch/x86/kernel/hpet.c~arch-x86-kernel-hpetc-make-the-hpet-compare-register-read-back-failed-warning-conditional-on-the-hpet=verbose-boot-option +++ a/arch/x86/kernel/hpet.c @@ -406,8 +406,10 @@ static int hpet_next_event(unsigned long * read returns old value. */ if (unlikely((u32)hpet_readl(HPET_Tn_CMP(timer)) != cnt)) { - WARN_ONCE(hpet_readl(HPET_Tn_CMP(timer)) != cnt, - KERN_WARNING "hpet: compare register read back failed.\n"); + if (hpet_verbose) + WARN_ONCE(hpet_readl(HPET_Tn_CMP(timer)) != cnt, + KERN_WARNING + "hpet: compare register read back failed.\n"); } return (s32)(hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0; _ Patches currently in -mm which might be from johnstul@xxxxxxxxxx are linux-next.patch arch-x86-kernel-hpetc-make-the-hpet-compare-register-read-back-failed-warning-conditional-on-the-hpet=verbose-boot-option.patch cs5535-clockevt-free-timer-in-irq-setup-error-path.patch time-clean-up-warp_clock.patch time-clean-up-direct-xtime-usage-in-xen.patch ntp-make-time_adjust-static.patch ntp-remove-tickadj.patch xtensa-fix-unnecessary-setting-of-xtime.patch hangcheck-timer-fix-x86_32-bugs.patch time-kill-off-config_generic_time.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html