Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3e021bf5053bc45448e43cf1d7d020ddf1409714
Commit: 3e021bf5053bc45448e43cf1d7d020ddf1409714
Parent: ec8d4eaefc06636eb8fc83610c6605168796b4f7
Author: Izik Eidus <[EMAIL PROTECTED]>
AuthorDate: Mon Nov 19 11:16:57 2007 +0200
Committer: Avi Kivity <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 17:53:06 2008 +0200
KVM: Simplify kvm_clear_guest_page()
Use kvm_write_guest_page() with empty_zero_page, instead of doing
kmap and memset.
Signed-off-by: Izik Eidus <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
drivers/kvm/kvm_main.c | 18 ++----------------
1 files changed, 2 insertions(+), 16 deletions(-)
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 595ed32..e83a178 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -46,6 +46,7 @@
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/desc.h>
+#include <asm/pgtable.h>
MODULE_AUTHOR("Qumranet");
MODULE_LICENSE("GPL");
@@ -633,22 +634,7 @@ int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void
*data,
int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len)
{
- void *page_virt;
- struct page *page;
-
- page = gfn_to_page(kvm, gfn);
- if (is_error_page(page)) {
- kvm_release_page(page);
- return -EFAULT;
- }
- page_virt = kmap_atomic(page, KM_USER0);
-
- memset(page_virt + offset, 0, len);
-
- kunmap_atomic(page_virt, KM_USER0);
- kvm_release_page(page);
- mark_page_dirty(kvm, gfn);
- return 0;
+ return kvm_write_guest_page(kvm, gfn, empty_zero_page, offset, len);
}
EXPORT_SYMBOL_GPL(kvm_clear_guest_page);
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
