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-rw-r--r--sys/src/9/pc64/fns.h2
-rw-r--r--sys/src/9/pc64/main.c4
-rw-r--r--sys/src/9/pc64/mmu.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/sys/src/9/pc64/fns.h b/sys/src/9/pc64/fns.h
index 01a1959d3..75764f06d 100644
--- a/sys/src/9/pc64/fns.h
+++ b/sys/src/9/pc64/fns.h
@@ -96,7 +96,7 @@ void meminit(void);
void meminit0(void);
void memreserve(uintptr, uintptr);
void mfence(void);
-#define mmuflushtlb() putcr3(getcr3())
+#define mmuflushtlb(pml4) putcr3(pml4)
void mmuinit(void);
uintptr *mmuwalk(uintptr*, uintptr, int, int);
char* mtrr(uvlong, uvlong, char *);
diff --git a/sys/src/9/pc64/main.c b/sys/src/9/pc64/main.c
index 17a766137..78cd8ef4c 100644
--- a/sys/src/9/pc64/main.c
+++ b/sys/src/9/pc64/main.c
@@ -239,7 +239,7 @@ rebootjump(uintptr entry, uintptr code, ulong size)
if((pte = mmuwalk(m->pml4, REBOOTADDR, 0, 0)) != nil)
*pte &= ~PTENOEXEC;
- mmuflushtlb();
+ mmuflushtlb(PADDR(m->pml4));
/* setup reboot trampoline function */
f = (void*)REBOOTADDR;
@@ -350,5 +350,5 @@ procsave(Proc *p)
* You might think it would be a win not to do this in that case,
* especially on VMware, but it turns out not to matter.
*/
- mmuflushtlb();
+ mmuflushtlb(PADDR(m->pml4));
}
diff --git a/sys/src/9/pc64/mmu.c b/sys/src/9/pc64/mmu.c
index 23a39f6d8..1f6560bfe 100644
--- a/sys/src/9/pc64/mmu.c
+++ b/sys/src/9/pc64/mmu.c
@@ -67,7 +67,7 @@ taskswitch(uintptr stack)
tss->rsp1[1] = stack >> 32;
tss->rsp2[0] = (u32int)stack;
tss->rsp2[1] = stack >> 32;
- mmuflushtlb();
+ mmuflushtlb(PADDR(m->pml4));
}
static void kernelro(void);