Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cef43b...
Commit: cef43bf6b3afd819f7cdcba356af0e8220fb3789
Parent: 4b336b0625fe822cdc21646cc3bc3abacf05a3d0
Author: Jeremy Fitzhardinge <jeremy@goop.org>
AuthorDate: Mon Jul 28 13:33:44 2008 -0700
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Thu Jul 31 17:10:35 2008 +0200
xen: fix allocation and use of large ldts, cleanup
Add a proper comment for set_aliased_prot() and fix an
unsigned long/void * warning.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/xen/enlighten.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index cf8b3a9..04ec69e 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -237,8 +237,10 @@ static unsigned long xen_store_tr(void)
}
/*
- * If 'v' is a vmalloc mapping, then find the linear mapping of the
- * page (if any) and also set its protections to match:
+ * Set the page permissions for a particular virtual address. If the
+ * address is a vmalloc mapping (or other non-linear mapping), then
+ * find the linear mapping of the page and also set its protections to
+ * match.
*/
static void set_aliased_prot(void *v, pgprot_t prot)
{
@@ -387,8 +389,7 @@ static void xen_load_gs_index(unsigned int idx)
static void xen_write_ldt_entry(struct desc_struct *dt, int entrynum,
const void *ptr)
{
- unsigned long lp = (unsigned long)&dt[entrynum];
- xmaddr_t mach_lp = arbitrary_virt_to_machine(lp);
+ xmaddr_t mach_lp = arbitrary_virt_to_machine(&dt[entrynum]);
u64 entry = *(u64 *)ptr;
preempt_disable();
--
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
