Author: manu Date: Tue Aug 4 15:25:22 2020 New Revision: 363842 URL: https://svnweb.freebsd.org/changeset/base/363842
Log: linuxkpi: Add clear_bit_unlock This calls clear_bit and adds a memory barrier. Sponsored by: The FreeBSD Foundation Reviewed by: hselasky MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D25943 Modified: head/sys/compat/linuxkpi/common/include/linux/bitops.h Modified: head/sys/compat/linuxkpi/common/include/linux/bitops.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/bitops.h Tue Aug 4 15:00:02 2020 (r363841) +++ head/sys/compat/linuxkpi/common/include/linux/bitops.h Tue Aug 4 15:25:22 2020 (r363842) @@ -275,6 +275,13 @@ find_next_zero_bit(const unsigned long *addr, unsigned #define test_bit(i, a) \ !!(READ_ONCE(((volatile const unsigned long *)(a))[BIT_WORD(i)]) & BIT_MASK(i)) +static inline void +clear_bit_unlock(long bit, volatile unsigned long *var) +{ + clear_bit(bit, var); + wmb(); +} + static inline int test_and_clear_bit(long bit, volatile unsigned long *var) { _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
