Author: markj Date: Wed May 23 15:43:35 2018 New Revision: 334101 URL: https://svnweb.freebsd.org/changeset/base/334101
Log: Add GET_STACK_USAGE() for arm64. Its absence meant that GEOM direct dispatch was disabled (the service routines check the current thread's stack usage to determine whether to hand off the request to a dedicated thread), and this change is sufficient to enable direct dispatch by default. Reviewed by: allanjude MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D15527 Modified: head/sys/arm64/include/proc.h Modified: head/sys/arm64/include/proc.h ============================================================================== --- head/sys/arm64/include/proc.h Wed May 23 15:26:56 2018 (r334100) +++ head/sys/arm64/include/proc.h Wed May 23 15:43:35 2018 (r334101) @@ -54,4 +54,18 @@ struct syscall_args { int narg; }; +#ifdef _KERNEL + +#include <machine/pcb.h> + +#define GET_STACK_USAGE(total, used) do { \ + struct thread *td = curthread; \ + (total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb); \ + (used) = (char *)td->td_kstack + \ + td->td_kstack_pages * PAGE_SIZE - \ + (char *)&td; \ +} while (0) + +#endif + #endif /* !_MACHINE_PROC_H_ */ _______________________________________________ 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"
