#if defined(__i386__) || defined(__x86_64__) #define barrier() asm volatile("" ::: "memory") #define virt_mb() __sync_synchronize() #define virt_rmb() barrier() #define virt_wmb() barrier() /* Atomic store should be enough, but gcc generates worse code in that case. */ #define virt_store_mb(var, value) do { \ typeof(var) virt_store_mb_value = (value); \ __atomic_exchange(&(var), &virt_store_mb_value, &virt_store_mb_value, \ __ATOMIC_SEQ_CST); \ barrier(); \ } while (0); /* Weak barriers should be used. If not - it's a bug */ # define mb() abort() # define rmb() abort() # define wmb() abort() #else #error Please fill in barrier macros #endif header'> cgit logo index : net-next.git
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authorHarsh Jain <harsh@chelsio.com>2017-02-01 21:10:28 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2017-02-03 17:45:48 +0800
commit0b529f143e8baad441a5aac9ad55ec2434d8fb46 (patch)
treefd816e548e12745d4776ad0bd661bec142d3ea06 /tools/perf/util/cgroup.h
parentc26819900036f5b91608051a0fc7c76f6b4ffc7b (diff)
crypto: algif_aead - Fix kernel panic on list_del
Kernel panics when userspace program try to access AEAD interface. Remove node from Linked List before freeing its memory. Cc: <stable@vger.kernel.org> Signed-off-by: Harsh Jain <harsh@chelsio.com> Reviewed-by: Stephan Müller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'tools/perf/util/cgroup.h')