Commit-ID: a946d8f11f0da9cfc714248036fcfd3a794d1e27 Gitweb: http://git.kernel.org/tip/a946d8f11f0da9cfc714248036fcfd3a794d1e27 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Mon, 7 Dec 2009 12:59:46 +0100 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Mon, 7 Dec 2009 13:16:37 +0100 x86: Fix bogus warning in apic_noop.apic_write() apic_noop is used to provide dummy apic functions. It's installed when the CPU has no APIC or when the APIC is disabled on the kernel command line. The apic_noop implementation of apic_write() warns when the CPU has an APIC or when the APIC is not disabled. That's bogus. The warning should only happen when the CPU has an APIC _AND_ the APIC is not disabled. apic_noop.apic_read() has the correct check. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> Cc: <stable@xxxxxxxxxx> # in <= .32 this typo resides in native_apic_write_dummy() LKML-Reference: <alpine.LFD.2.00.0912071255420.3089@xxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- arch/x86/kernel/apic/apic_noop.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c index d9acc3b..e31b9ff 100644 --- a/arch/x86/kernel/apic/apic_noop.c +++ b/arch/x86/kernel/apic/apic_noop.c @@ -127,7 +127,7 @@ static u32 noop_apic_read(u32 reg) static void noop_apic_write(u32 reg, u32 v) { - WARN_ON_ONCE((cpu_has_apic || !disable_apic)); + WARN_ON_ONCE(cpu_has_apic && !disable_apic); } struct apic apic_noop = { -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html