From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>,
Lucas Meneghel Rodrigues <lmr@redhat.com>
Cc: kvm@vger.kernel.org
Subject: [PATCH kvm-unit-tests 2/3] x86/desc: allow multiple initializations
Date: Tue, 6 Sep 2011 17:11:35 +0300 [thread overview]
Message-ID: <1315318296-22815-3-git-send-email-avi@redhat.com> (raw)
In-Reply-To: <1315318296-22815-1-git-send-email-avi@redhat.com>
There are multiple callers, so be forgiving.
Signed-off-by: Avi Kivity <avi@redhat.com>
---
lib/x86/desc.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/lib/x86/desc.c b/lib/x86/desc.c
index 0ed8c22..c268955 100644
--- a/lib/x86/desc.c
+++ b/lib/x86/desc.c
@@ -229,6 +229,12 @@ static void *idt_handlers[32] = {
void setup_idt(void)
{
int i;
+ static bool idt_initialized = false;
+
+ if (idt_initialized) {
+ return;
+ }
+ idt_initialized = true;
for (i = 0; i < 32; i++)
if (idt_handlers[i])
set_idt_entry(i, idt_handlers[i], 0);
--
1.7.6.1
next prev parent reply other threads:[~2011-09-06 14:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-06 14:11 [PATCH kvm-unit-tests 0/3] Fix apic.flat Avi Kivity
2011-09-06 14:11 ` [PATCH kvm-unit-tests 1/3] x86/desc: switch to using boot_idt Avi Kivity
2011-09-06 14:11 ` Avi Kivity [this message]
2011-09-06 14:11 ` [PATCH kvm-unit-tests 3/3] x86/smp: use desc.c for setting up IPI handler Avi Kivity
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