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[Qemu-devel] [PATCH] kvm-all: PAGE_SIZE should be real host page size


From: Andrew Jones
Subject: [Qemu-devel] [PATCH] kvm-all: PAGE_SIZE should be real host page size
Date: Mon, 9 Nov 2015 19:23:42 -0500

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 <address@hidden>
---
 kvm-all.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kvm-all.c b/kvm-all.c
index 1bc12737723c3..de9ff5971fb3b 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
 
-- 
2.4.3




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