From: Gleb Natapov <gleb@redhat.com>
To: avi@redhat.com
Cc: kvm@vger.kernel.org
Subject: [PATCH] silence kernel messages that can be triggered by a guest
Date: Wed, 8 Jul 2009 11:26:54 +0300 [thread overview]
Message-ID: <20090708082654.GK28046@redhat.com> (raw)
Some Linux versions (f8) try to read EOI register that is write only.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index ccafe0d..6b5dad4 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -590,14 +590,14 @@ static int apic_reg_read(struct kvm_lapic *apic, u32 offset, int len,
static const u64 rmask = 0x43ff01ffffffe70cULL;
if ((alignment + len) > 4) {
- printk(KERN_ERR "KVM_APIC_READ: alignment error %x %d\n",
- offset, len);
+ apic_debug("KVM_APIC_READ: alignment error %x %d\n",
+ offset, len);
return 1;
}
if (offset > 0x3f0 || !(rmask & (1ULL << (offset >> 4)))) {
- printk(KERN_ERR "KVM_APIC_READ: read reserved register %x\n",
- offset);
+ apic_debug("KVM_APIC_READ: read reserved register %x\n",
+ offset);
return 1;
}
--
Gleb.
next reply other threads:[~2009-07-08 8:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-08 8:26 Gleb Natapov [this message]
2009-07-14 23:11 ` [PATCH] silence kernel messages that can be triggered by a guest Marcelo Tosatti
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=20090708082654.GK28046@redhat.com \
--to=gleb@redhat.com \
--cc=avi@redhat.com \
--cc=kvm@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox