#include volatile uint64_t x; int main(int argc, char *argv[]) { uint64_t old, new = argc; argv = argv; do { old = __sync_val_compare_and_swap(&x, 0, 0); } while (!__sync_bool_compare_and_swap(&x, old, new)); return old == new; } '/>
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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-03 22:19:15 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-03 22:19:15 +0100
commit424414947da3dd5cb0d60e4f299f7c51e472ae77 (patch)
treea4067480c4256c80ae8f8438a3e4bb88e32050bc /drivers/usb/host/ehci-mem.c
parenta3683e0c1410c5c8136a7a93b0336ce88d3b893a (diff)
parentd07830db1bdb254e4b50d366010b219286b8c937 (diff)
Merge tag 'usb-serial-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes: USB-serial fixes for v4.10-rc7 One more device ID for pl2303. Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/host/ehci-mem.c')