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[PULL,04/45] kvm-all: PAGE_SIZE should be real host page size

Message ID 1450374401-31352-5-git-send-email-pbonzini@redhat.com
State Accepted
Commit bc92e4e97ed62efa61ba983f57dfe33f10fe1d88
Headers show

Commit Message

Paolo Bonzini Dec. 17, 2015, 5:46 p.m. UTC 
From: Andrew Jones <drjones@redhat.com>


Just noticed this while grepping TARGET_PAGE_SIZE for an unrelated
reason. I didn't use qemu_real_host_page_size as kvm_set_phys_mem()
does, because we'd need to make sure page_size_init() has run first.

Signed-off-by: Andrew Jones <drjones@redhat.com>

Message-Id: <1447115022-4142-1-git-send-email-drjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

---
 kvm-all.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

-- 
2.5.0
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Patch

diff --git a/kvm-all.c b/kvm-all.c
index c648b81..a45c92b 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -45,8 +45,10 @@ 
 #include <sys/eventfd.h>
 #endif
 
-/* KVM uses PAGE_SIZE in its definition of COALESCED_MMIO_MAX */
-#define PAGE_SIZE TARGET_PAGE_SIZE
+/* KVM uses PAGE_SIZE in its definition of KVM_COALESCED_MMIO_MAX. We
+ * need to use the real host PAGE_SIZE, as that's what KVM will use.
+ */
+#define PAGE_SIZE getpagesize()
 
 //#define DEBUG_KVM