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authorPaul Mackerras <paulus@ozlabs.org>2017-08-31 12:37:03 +1000
committerPaul Mackerras <paulus@ozlabs.org>2017-08-31 12:37:03 +1000
commit4dafecde443a3f5690d68a3a0d32202b634b2675 (patch)
tree6faa5efe3fa7f9a24514111777515e7a4c8bd8c1 /arch/powerpc/kvm/book3s_hv_rm_mmu.c
parente3bfed1df379c18f20feb06427d952b766e2c00f (diff)
parent94a04bc25a2c6296bd0c5e82c10e8231c2b11f77 (diff)
Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next
This merges in the 'ppc-kvm' topic branch from the powerpc tree in order to bring in some fixes which touch both powerpc and KVM code. Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv_rm_mmu.c')
-rw-r--r--arch/powerpc/kvm/book3s_hv_rm_mmu.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index 61c8248b41c3..4efe364f1188 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -22,6 +22,7 @@
#include <asm/hvcall.h>
#include <asm/synch.h>
#include <asm/ppc-opcode.h>
+#include <asm/pte-walk.h>
/* Translate address of a vmalloc'd thing to a linear map address */
static void *real_vmalloc_addr(void *x)
@@ -31,9 +32,9 @@ static void *real_vmalloc_addr(void *x)
/*
* assume we don't have huge pages in vmalloc space...
* So don't worry about THP collapse/split. Called
- * Only in realmode, hence won't need irq_save/restore.
+ * Only in realmode with MSR_EE = 0, hence won't need irq_save/restore.
*/
- p = __find_linux_pte_or_hugepte(swapper_pg_dir, addr, NULL, NULL);
+ p = find_init_mm_pte(addr, NULL);
if (!p || !pte_present(*p))
return NULL;
addr = (pte_pfn(*p) << PAGE_SHIFT) | (addr & ~PAGE_MASK);
@@ -230,14 +231,13 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
* If we had a page table table change after lookup, we would
* retry via mmu_notifier_retry.
*/
- if (realmode)
- ptep = __find_linux_pte_or_hugepte(pgdir, hva, NULL,
- &hpage_shift);
- else {
+ if (!realmode)
local_irq_save(irq_flags);
- ptep = find_linux_pte_or_hugepte(pgdir, hva, NULL,
- &hpage_shift);
- }
+ /*
+ * If called in real mode we have MSR_EE = 0. Otherwise
+ * we disable irq above.
+ */
+ ptep = __find_linux_pte(pgdir, hva, NULL, &hpage_shift);
if (ptep) {
pte_t pte;
unsigned int host_pte_size;