Author: jhibbits Date: Fri Jan 10 03:16:40 2020 New Revision: 356591 URL: https://svnweb.freebsd.org/changeset/base/356591
Log: powerpc: Mark cpu_feature-based sysctls as MP_SAFE hw.floatingpoint and hw.altivec are effectively runtime constants (bits from the cpu_feature bitfield), so don't need Giant, or any locking for that matter. Modified: head/sys/powerpc/powerpc/cpu.c Modified: head/sys/powerpc/powerpc/cpu.c ============================================================================== --- head/sys/powerpc/powerpc/cpu.c Fri Jan 10 01:24:49 2020 (r356590) +++ head/sys/powerpc/powerpc/cpu.c Fri Jan 10 03:16:40 2020 (r356591) @@ -259,10 +259,10 @@ register_t lpcr = LPCR_LPES; #endif /* Provide some user-friendly aliases for bits in cpu_features */ -SYSCTL_PROC(_hw, OID_AUTO, floatingpoint, CTLTYPE_INT | CTLFLAG_RD, - 0, PPC_FEATURE_HAS_FPU, cpu_feature_bit, "I", - "Floating point instructions executed in hardware"); -SYSCTL_PROC(_hw, OID_AUTO, altivec, CTLTYPE_INT | CTLFLAG_RD, +SYSCTL_PROC(_hw, OID_AUTO, floatingpoint, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 0, PPC_FEATURE_HAS_FPU, + cpu_feature_bit, "I", "Floating point instructions executed in hardware"); +SYSCTL_PROC(_hw, OID_AUTO, altivec, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 0, PPC_FEATURE_HAS_ALTIVEC, cpu_feature_bit, "I", "CPU supports Altivec"); /* _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"