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Diffstat (limited to 'src/arch/x86/interface/efi/efix86_nap.c')
-rw-r--r--src/arch/x86/interface/efi/efix86_nap.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/arch/x86/interface/efi/efix86_nap.c b/src/arch/x86/interface/efi/efix86_nap.c
index 3ebf0bd6..296876b8 100644
--- a/src/arch/x86/interface/efi/efix86_nap.c
+++ b/src/arch/x86/interface/efi/efix86_nap.c
@@ -46,8 +46,12 @@ static void efix86_cpu_nap ( void ) {
* The EFI shell doesn't seem to bother sleeping the CPU; it
* just sits there idly burning power.
*
+ * If a shutdown is in progess, there may be nothing to
+ * generate an interrupt since the timer is disabled in the
+ * first step of ExitBootServices().
*/
- __asm__ __volatile__ ( "hlt" );
+ if ( ! efi_shutdown_in_progress )
+ __asm__ __volatile__ ( "hlt" );
}
PROVIDE_NAP ( efix86, cpu_nap, efix86_cpu_nap );