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authorSteve French <sfrench@us.ibm.com>2009-04-20 15:59:09 -0400
committerSteve French <sfrench@us.ibm.com>2009-04-20 15:59:09 -0400
commitcbb7fe129bb2b836083ebcc256c43faff4b48cc2 (patch)
tree65998c06e712be5f7cb72543a7c0cc2d0b1b4459 /arch
parent7b0c8fcff47a885743125dd843db64af41af5a61 (diff)
parenta939b96cccdb65df80a52447ec8e4a6d79c56dbb (diff)
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch')
-rw-r--r--arch/frv/kernel/setup.c1
-rw-r--r--arch/x86/include/asm/lguest_hcall.h2
-rw-r--r--arch/x86/lguest/boot.c16
3 files changed, 10 insertions, 9 deletions
diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index 0669e1382383..55e4fab7c0bc 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -46,7 +46,6 @@
46#include <asm/io.h> 46#include <asm/io.h>
47 47
48#ifdef CONFIG_BLK_DEV_INITRD 48#ifdef CONFIG_BLK_DEV_INITRD
49#include <linux/blk.h>
50#include <asm/pgtable.h> 49#include <asm/pgtable.h>
51#endif 50#endif
52 51
diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h
index 0f4ee7148afe..faae1996487b 100644
--- a/arch/x86/include/asm/lguest_hcall.h
+++ b/arch/x86/include/asm/lguest_hcall.h
@@ -5,7 +5,6 @@
5#define LHCALL_FLUSH_ASYNC 0 5#define LHCALL_FLUSH_ASYNC 0
6#define LHCALL_LGUEST_INIT 1 6#define LHCALL_LGUEST_INIT 1
7#define LHCALL_SHUTDOWN 2 7#define LHCALL_SHUTDOWN 2
8#define LHCALL_LOAD_GDT 3
9#define LHCALL_NEW_PGTABLE 4 8#define LHCALL_NEW_PGTABLE 4
10#define LHCALL_FLUSH_TLB 5 9#define LHCALL_FLUSH_TLB 5
11#define LHCALL_LOAD_IDT_ENTRY 6 10#define LHCALL_LOAD_IDT_ENTRY 6
@@ -17,6 +16,7 @@
17#define LHCALL_SET_PMD 15 16#define LHCALL_SET_PMD 15
18#define LHCALL_LOAD_TLS 16 17#define LHCALL_LOAD_TLS 16
19#define LHCALL_NOTIFY 17 18#define LHCALL_NOTIFY 17
19#define LHCALL_LOAD_GDT_ENTRY 18
20 20
21#define LGUEST_TRAP_ENTRY 0x1F 21#define LGUEST_TRAP_ENTRY 0x1F
22 22
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index e94a11e42f98..a2085368a3dc 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -273,15 +273,15 @@ static void lguest_load_idt(const struct desc_ptr *desc)
273 * controls the entire thing and the Guest asks it to make changes using the 273 * controls the entire thing and the Guest asks it to make changes using the
274 * LOAD_GDT hypercall. 274 * LOAD_GDT hypercall.
275 * 275 *
276 * This is the opposite of the IDT code where we have a LOAD_IDT_ENTRY 276 * This is the exactly like the IDT code.
277 * hypercall and use that repeatedly to load a new IDT. I don't think it
278 * really matters, but wouldn't it be nice if they were the same? Wouldn't
279 * it be even better if you were the one to send the patch to fix it?
280 */ 277 */
281static void lguest_load_gdt(const struct desc_ptr *desc) 278static void lguest_load_gdt(const struct desc_ptr *desc)
282{ 279{
283 BUG_ON((desc->size + 1) / 8 != GDT_ENTRIES); 280 unsigned int i;
284 kvm_hypercall2(LHCALL_LOAD_GDT, __pa(desc->address), GDT_ENTRIES); 281 struct desc_struct *gdt = (void *)desc->address;
282
283 for (i = 0; i < (desc->size+1)/8; i++)
284 kvm_hypercall3(LHCALL_LOAD_GDT_ENTRY, i, gdt[i].a, gdt[i].b);
285} 285}
286 286
287/* For a single GDT entry which changes, we do the lazy thing: alter our GDT, 287/* For a single GDT entry which changes, we do the lazy thing: alter our GDT,
@@ -291,7 +291,9 @@ static void lguest_write_gdt_entry(struct desc_struct *dt, int entrynum,
291 const void *desc, int type) 291 const void *desc, int type)
292{ 292{
293 native_write_gdt_entry(dt, entrynum, desc, type); 293 native_write_gdt_entry(dt, entrynum, desc, type);
294 kvm_hypercall2(LHCALL_LOAD_GDT, __pa(dt), GDT_ENTRIES); 294 /* Tell Host about this new entry. */
295 kvm_hypercall3(LHCALL_LOAD_GDT_ENTRY, entrynum,
296 dt[entrynum].a, dt[entrynum].b);
295} 297}
296 298
297/* OK, I lied. There are three "thread local storage" GDT entries which change 299/* OK, I lied. There are three "thread local storage" GDT entries which change