Blame 0044-vhost-fix-log-base.patch
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From d42430f94c77a653da486e6f96f6695818f3e81b Mon Sep 17 00:00:00 2001
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From: Michael S. Tsirkin <mst@redhat.com>
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Date: Wed, 24 Feb 2010 21:10:04 +0200
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Subject: [PATCH] vhost: fix log base
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LOG_BASE ioctl gets a pointer to a 64 bit value, not
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a pointer cast to 64 bit value.
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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---
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hw/vhost.c | 5 +++--
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1 files changed, 3 insertions(+), 2 deletions(-)
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diff --git a/hw/vhost.c b/hw/vhost.c
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index 019afc2..b63eafa 100644
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--- a/hw/vhost.c
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+++ b/hw/vhost.c
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@@ -241,14 +241,15 @@ static uint64_t vhost_get_log_size(struct vhost_dev *dev)
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static inline void vhost_dev_log_resize(struct vhost_dev* dev, uint64_t size)
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{
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vhost_log_chunk_t *log;
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+ uint64_t log_base;
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int r;
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if (size) {
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log = qemu_mallocz(size * sizeof *log);
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} else {
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log = NULL;
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}
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- r = ioctl(dev->control, VHOST_SET_LOG_BASE,
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- (uint64_t)(unsigned long)log);
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+ log_base = (uint64_t)(unsigned long)log;
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+ r = ioctl(dev->control, VHOST_SET_LOG_BASE, &log_base);
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assert(r >= 0);
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vhost_client_sync_dirty_bitmap(&dev->client, 0,
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(target_phys_addr_t)~0x0ull);
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--
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1.6.6.1
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