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Message-Id: <20080325160846.d02b0209.randy.dunlap@oracle.com>
Date: Tue, 25 Mar 2008 16:08:46 -0700
From: Randy Dunlap <randy.dunlap@...cle.com>
To: lkml <linux-kernel@...r.kernel.org>
Cc: linux-next@...r.kernel.org, kvm-devel@...ts.sourceforge.net,
avi@...ranet.com, tglx <tglx@...utronix.de>,
mingo <mingo@...hat.com>, hpa <hpa@...or.com>
Subject: [PATCH v2] x86: don't allow KVM_CLOCK on Voyager or Visual WS
From: Randy Dunlap <randy.dunlap@...cle.com>
Prevent failed randconfig builds with KVM_CLOCK being enabled
on Voyager or VISWS.
build-rand9.out: Using /local/linsrc/next-20080325 as source for kernel
build-rand9.out: from /local/linsrc/next-20080325/include/linux/irqflags.h:46,
build-rand9.out: from include2/asm/system.h:11,
build-rand9.out: from include2/asm/processor.h:21,
build-rand9.out: from include2/asm/atomic_32.h:5,
build-rand9.out: from include2/asm/atomic.h:2,
build-rand9.out: from /local/linsrc/next-20080325/include/linux/crypto.h:20,
build-rand9.out: from /local/linsrc/next-20080325/arch/x86/kernel/asm-offsets_32.c:7,
build-rand9.out: from /local/linsrc/next-20080325/arch/x86/kernel/asm-offsets.c:2:
build-rand9.out:include2/asm/paravirt.h:856: error: 'struct pv_apic_ops' has no member named 'startup_ipi_hook'
build-rand9.out:include2/asm/paravirt.h:856: error: 'struct pv_apic_ops' has no member named 'startup_ipi_hook'
build-rand9.out:include2/asm/paravirt.h:856: error: memory input 4 is not directly addressable
build-rand9.out:make[2]: *** [arch/x86/kernel/asm-offsets.s] Error 1
Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
arch/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)
--- next-20080325.orig/arch/x86/Kconfig
+++ next-20080325/arch/x86/Kconfig
@@ -370,6 +370,7 @@ config VMI
config KVM_CLOCK
bool "KVM paravirtualized clock"
select PARAVIRT
+ depends on !(X86_VISWS || X86_VOYAGER)
help
Turning on this option will allow you to run a paravirtualized clock
when running over the KVM hypervisor. Instead of relying on a PIT
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