linux-kernel - [PATCH] x86: don't allow KVM_CLOCK without HAVE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20080314104444.ca80e434.randy.dunlap@oracle.com>
Date:	Fri, 14 Mar 2008 10:44:44 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>, linux-next@...r.kernel.org
Cc:	kvm-devel@...ts.sourceforge.net, avi@...ranet.com,
	tglx <tglx@...utronix.de>, mingo <mingo@...hat.com>,
	hpa <hpa@...or.com>
Subject: [PATCH] x86: don't allow KVM_CLOCK without HAVE_KVM

From: Randy Dunlap <randy.dunlap@...cle.com>

Make KVM_CLOCK depend on HAVE_KVM.  Otherwise a Voyager build can
fail with:

  CC      arch/x86/kernel/asm-offsets.s
In file included from include2/asm/irqflags.h:59,
                 from /local/linsrc/next-20080314/include/linux/irqflags.h:46,
                 from include2/asm/system.h:11,
                 from include2/asm/processor.h:21,
                 from include2/asm/atomic_32.h:5,
                 from include2/asm/atomic.h:2,
                 from /local/linsrc/next-20080314/include/linux/crypto.h:20,
                 from /local/linsrc/next-20080314/arch/x86/kernel/asm-offsets_32.c:7,
                 from /local/linsrc/next-20080314/arch/x86/kernel/asm-offsets.c:2:
include2/asm/paravirt.h: In function 'startup_ipi_hook':
include2/asm/paravirt.h:856: error: 'struct pv_apic_ops' has no member named 'startup_ipi_hook'
include2/asm/paravirt.h:856: error: 'struct pv_apic_ops' has no member named 'startup_ipi_hook'
include2/asm/paravirt.h:856: error: memory input 4 is not directly addressable
make[2]: *** [arch/x86/kernel/asm-offsets.s] Error 1
make[1]: *** [prepare0] Error 2
make: *** [sub-make] Error 2

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 arch/x86/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- next-20080314.orig/arch/x86/Kconfig
+++ next-20080314/arch/x86/Kconfig
@@ -370,6 +370,7 @@ config VMI
 config KVM_CLOCK
 	bool "KVM paravirtualized clock"
 	select PARAVIRT
+	depends on HAVE_KVM
 	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
--
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/