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From: | Philippe Mathieu-Daudé |
Subject: | Re: [Qemu-devel] [PATCH 4/9] exec: make address_space_cache_destroy idempotent |
Date: | Thu, 9 Feb 2017 19:57:01 -0300 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 |
On 01/27/2017 12:40 PM, Paolo Bonzini wrote:
Clear cache->mr so that address_space_cache_destroy does nothing the second time it is called. Reviewed-by: Stefan Hajnoczi <address@hidden> Signed-off-by: Paolo Bonzini <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
--- exec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/exec.c b/exec.c index f2bed92..5de15cf 100644 --- a/exec.c +++ b/exec.c @@ -3165,6 +3165,7 @@ void address_space_cache_destroy(MemoryRegionCache *cache) xen_invalidate_map_cache_entry(cache->ptr); } memory_region_unref(cache->mr); + cache->mr = NULL; } /* Called from RCU critical section. This function has the same
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