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vhost: disable metadata prefetch optimization

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This seems to cause guest and host memory corruption.
Disable for now until we get a better handle on that.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2019-07-26 07:49:29 -04:00
parent ae24fb49d0
commit 73f628ec9e
1 changed files with 1 additions and 1 deletions
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drivers/vhost/vhost.h
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@ -96,7 +96,7 @@ struct vhost_uaddr {
}; };
#if defined(CONFIG_MMU_NOTIFIER) && ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 0 #if defined(CONFIG_MMU_NOTIFIER) && ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 0
#define VHOST_ARCH_CAN_ACCEL_UACCESS 1 #define VHOST_ARCH_CAN_ACCEL_UACCESS 0
#else #else
#define VHOST_ARCH_CAN_ACCEL_UACCESS 0 #define VHOST_ARCH_CAN_ACCEL_UACCESS 0
#endif #endif