All of lore.kernel.org
 help / color / mirror / Atom feed
From: Zheng Zhan Liang <linuxmaker@163.com>
Cc: "open list:All patches CC here" <qemu-devel@nongnu.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Zheng Zhan Liang <linuxmaker@163.com>,
	Eduardo Habkost <ehabkost@redhat.com>
Subject: [PATCH] tcg/i386: rdpmc: use the the condtions
Date: Thu, 25 Feb 2021 13:47:57 +0800	[thread overview]
Message-ID: <20210225054756.35962-1-linuxmaker@163.com> (raw)

Signed-off-by: Zheng Zhan Liang <linuxmaker@163.com>
---
 target/i386/tcg/misc_helper.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c
index f02e4fd400..90b87fdef0 100644
--- a/target/i386/tcg/misc_helper.c
+++ b/target/i386/tcg/misc_helper.c
@@ -222,7 +222,8 @@ void helper_rdtscp(CPUX86State *env)
 
 void helper_rdpmc(CPUX86State *env)
 {
-    if ((env->cr[4] & CR4_PCE_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) {
+    if (((env->cr[4] & CR4_PCE_MASK) == 0 ) &&
+        ((env->hflags & HF_CPL_MASK) != 0)) {
         raise_exception_ra(env, EXCP0D_GPF, GETPC());
     }
     cpu_svm_check_intercept_param(env, SVM_EXIT_RDPMC, 0, GETPC());
-- 
2.27.0



             reply	other threads:[~2021-02-25 15:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-25  5:47 Zheng Zhan Liang [this message]
2021-02-25 10:07 ` [PATCH] tcg/i386: rdpmc: use the the condtions Paolo Bonzini
2021-02-25 10:13   ` Philippe Mathieu-Daudé
2021-02-25 12:15     ` Paolo Bonzini
2021-02-25 15:47 ` no-reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210225054756.35962-1-linuxmaker@163.com \
    --to=linuxmaker@163.com \
    --cc=ehabkost@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=richard.henderson@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.