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Re: [Qemu-devel] [PATCH for-2.1] target-i386: Add "kvmclock-stable-bit"


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH for-2.1] target-i386: Add "kvmclock-stable-bit" feature bit name
Date: Sat, 05 Jul 2014 11:54:10 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

Il 04/07/2014 21:44, Eduardo Habkost ha scritto:
KVM_FEATURE_CLOCKSOURCE_STABLE_BIT is enabled by default and supported
by KVM. But not having a name defined makes QEMU treat it as an unknown
and unmigratable feature flag (as any unknown feature may possibly
require state to be migrated), and disable it by default on "-cpu host".

As a side-effect, the new name also makes the flag configurable,
allowing the user to disable it (which may be useful for testing or for
compatibility with old kernels).

Signed-off-by: Eduardo Habkost <address@hidden>
---
 target-i386/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 45c662d..6d008ab 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -241,7 +241,7 @@ static const char *kvm_feature_name[] = {
     NULL, NULL, NULL, NULL,
     NULL, NULL, NULL, NULL,
     NULL, NULL, NULL, NULL,
-    NULL, NULL, NULL, NULL,
+    "kvmclock-stable-bit", NULL, NULL, NULL,
     NULL, NULL, NULL, NULL,
 };



Applied to uq/master, thanks.

Paolo



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