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From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: ehabkost@redhat.com, qemu-stable@nongnu.org
Subject: [Qemu-devel] [PATCH] i386: mark the 'INTEL_PT' CPUID bit as unmigratable
Date: Fri, 21 Dec 2018 13:44:10 +0100	[thread overview]
Message-ID: <20181221124410.11920-1-pbonzini@redhat.com> (raw)

Marshaling of processor tracing MSRs is not yet implemented in
QEMU, mark the feature as unmigratable.

Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/cpu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 9c54c41e7a..a6a597d2bf 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1012,6 +1012,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             .needs_ecx = true, .ecx = 0,
             .reg = R_EBX,
         },
+        .unmigratable_features = CPUID_7_0_EBX_INTEL_PT,
         .tcg_features = TCG_7_0_EBX_FEATURES,
     },
     [FEAT_7_0_ECX] = {
-- 
2.20.1

             reply	other threads:[~2018-12-21 12:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-21 12:44 Paolo Bonzini [this message]
2018-12-25  8:23 ` [Qemu-devel] [PATCH] i386: mark the 'INTEL_PT' CPUID bit as unmigratable Kang, Luwei
2018-12-28 13:53   ` Paolo Bonzini
2018-12-29  1:28     ` Eduardo Habkost
2019-01-02  1:30       ` Kang, Luwei
2019-01-05  2:35         ` Eduardo Habkost
2019-01-02  1:06     ` Kang, Luwei
2018-12-26  8:24 ` no-reply
2018-12-26  8:26 ` no-reply

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