Re: [Qemu-devel] Fixed bug [Bug 38672] - bugzilla.kernel.org

[Jan Kiszka <jan.kiszka@web.de>]

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On 2011-07-08 22:26, Stefan BOSAK wrote:
> Hello.
> 
> Bug is in (xen-mapcache.c):
> 
> Reported-by: Steve <stefan.bosak@gmail.com>
> Signed-off-by: Steve <stefan.bosak@gmail.com>
> 
> diff --git a/xen-mapcache.c b/xen-mapcache.c
> index 57fe24d..1c3b5bf 100644
> --- a/xen-mapcache.c
> +++ b/xen-mapcache.c
> @@ -107,7 +107,7 @@ void qemu_map_cache_init(void)
>      size = mapcache->nr_buckets * sizeof (MapCacheEntry);
>      size = (size + XC_PAGE_SIZE - 1) & ~(XC_PAGE_SIZE - 1);
>      DPRINTF("qemu_map_cache_init, nr_buckets = %lx size %lu\n",
> mapcache->nr_buckets, size);
> -    mapcache->entry = qemu_mallocz(size);
> +    mapcache->entry = qemu_mallocz(size*sizeof(MapCacheEntry));

This is obviously (see a few lines above) already correct and can't be
related to your problems - the Xen bits aren't even executed in KVM mode.

The bug you stumbled over finally cost my nerves today as well. The
regression comes from commit 38bee5dc94. I'll poke the author.

Jan


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