#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 > cgit logo index : net-next.git
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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2017-01-31 00:47:30 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-01-31 00:51:06 -0800
commit05e0be7c900797e9164976a6014d534ce3035909 (patch)
tree6064ddf732b21c686c958cb9da73f6eae6de5a27 /fs/nfsd/nfssvc.c
parent3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c (diff)
Input: synaptics-rmi4 - fix reversed conditions in enable/disable_irq_wake
These tests are reversed. A warning should be displayed if an error is returned, not on success. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'fs/nfsd/nfssvc.c')