Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Catch up with the per lwp astpending (rather than per cpu) flag in the 

preemption code.  NFC as preemption (still) isn't enabled.
This commit is contained in:
skrll 2022-07-28 07:15:27 +00:00
parent 9781142f34
commit b267e71c36
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sys/arch/arm/pic/pic.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pic.c,v 1.80 2022/06/25 12:41:56 jmcneill Exp $ */
/* $NetBSD: pic.c,v 1.81 2022/07/28 07:15:27 skrll Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -34,7 +34,7 @@
#include "opt_multiprocessor.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pic.c,v 1.80 2022/06/25 12:41:56 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: pic.c,v 1.81 2022/07/28 07:15:27 skrll Exp $");
#include <sys/param.h>
#include <sys/atomic.h>
@ -150,7 +150,9 @@ pic_ipi_ddb(void *arg)
int
pic_ipi_kpreempt(void *arg)
{
atomic_or_uint(&curcpu()->ci_astpending, __BIT(1));
struct lwp * const l = curlwp;
l->l_md.md_astpending |= __BIT(1);
return 1;
}
#endif /* __HAVE_PREEMPTION */
@ -554,7 +556,8 @@ pic_do_pending_ints(register_t psw, int newipl, void *frame)
}
#endif /* __HAVE_PIC_PENDING_INTRS */
#ifdef __HAVE_PREEMPTION
if (newipl == IPL_NONE && (ci->ci_astpending & __BIT(1))) {
struct lwp * const l = curlwp;
if (newipl == IPL_NONE && (l->l_md.md_astpending & __BIT(1))) {
pic_set_priority(ci, IPL_SCHED);
kpreempt(0);
}