Re: [patch] x86, NMI: add to_cpumask() to silence compile warning

From: Don Zickus
Date: Wed Dec 07 2011 - 16:13:16 EST


On Wed, Dec 07, 2011 at 02:06:12PM +0300, Dan Carpenter wrote:
> Gcc complains if we don't cast this to a struct cpumask pointer.
> arch/x86/kernel/nmi_selftest.c:93:2:
> warning: passing argument 1 of âcpumask_emptyâ from
> incompatible pointer type [enabled by default]
>

Crap, another fallout found by Randy.

Cheers,
Don

---8<---
From: Don Zickus <dzickus@xxxxxxxxxx>
Date: Wed, 7 Dec 2011 16:03:40 -0500
Subject: [PATCH] x86, NMI: NMI selftest depends on the local apic

The selftest doesn't work with out a local apic for now.

Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Signed-off-by: Don Zickus <dzickus@xxxxxxxxxx>
---
arch/x86/Kconfig.debug | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 020a4f1..d6eea6d 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -286,7 +286,7 @@ config DEBUG_STRICT_USER_COPY_CHECKS

config DEBUG_NMI_SELFTEST
bool "NMI Selftest"
- depends on DEBUG_KERNEL
+ depends on DEBUG_KERNEL && X86_LOCAL_APIC
---help---
Enabling this option turns on a quick NMI selftest to verify
that the NMI behaves correctly.
--
1.7.6.4

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