summaryrefslogtreecommitdiffstats
path: root/arch/i386/kernel/ioport.c
diff options
context:
space:
mode:
authorLen Brown <len.brown@intel.com>2005-12-06 23:31:30 +0100
committerLen Brown <len.brown@intel.com>2005-12-06 23:31:30 +0100
commit3d5271f9883cba7b54762bc4fe027d4172f06db7 (patch)
treeab8a881a14478598a0c8bda0d26c62cdccfffd6d /arch/i386/kernel/ioport.c
parent[ACPI] 8250_acpi.c buildfix (diff)
parentAuto-update from upstream (diff)
downloadlinux-3d5271f9883cba7b54762bc4fe027d4172f06db7.tar.xz
linux-3d5271f9883cba7b54762bc4fe027d4172f06db7.zip
Pull release into acpica branch
Diffstat (limited to 'arch/i386/kernel/ioport.c')
-rw-r--r--arch/i386/kernel/ioport.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/i386/kernel/ioport.c b/arch/i386/kernel/ioport.c
index f2b37654777f..b59a34dbe262 100644
--- a/arch/i386/kernel/ioport.c
+++ b/arch/i386/kernel/ioport.c
@@ -108,8 +108,11 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
/*
* Sets the lazy trigger so that the next I/O operation will
* reload the correct bitmap.
+ * Reset the owner so that a process switch will not set
+ * tss->io_bitmap_base to IO_BITMAP_OFFSET.
*/
tss->io_bitmap_base = INVALID_IO_BITMAP_OFFSET_LAZY;
+ tss->io_bitmap_owner = NULL;
put_cpu();