mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 05:04:00 +08:00
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>
This commit is contained in:
parent
4b336b0625
commit
cef43bf6b3
@ -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();
|
||||
|
Loading…
Reference in New Issue
Block a user