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fix compilation failure for arches without l_pcu_valid

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ok riastradh
This commit is contained in:
dogcow 2020-02-11 06:09:48 +00:00
parent d78835f01e
commit 277fc7271a
1 changed files with 4 additions and 2 deletions
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6
sys/kern/kern_lwp.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_lwp.c,v 1.224 2020/02/11 03:14:49 riastradh Exp $ */
/* $NetBSD: kern_lwp.c,v 1.225 2020/02/11 06:09:48 dogcow Exp $ */
/*-
* Copyright (c) 2001, 2006, 2007, 2008, 2009, 2019, 2020
@ -211,7 +211,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.224 2020/02/11 03:14:49 riastradh Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.225 2020/02/11 06:09:48 dogcow Exp $");
#include "opt_ddb.h"
#include "opt_lockdebug.h"
@ -890,7 +890,9 @@ lwp_create(lwp_t *l1, proc_t *p2, vaddr_t uaddr, int flags,
* the MD cpu_lwp_fork() can copy the saved state to the new LWP.
*/
pcu_save_all(l1);
#if PCU_UNIT_COUNT > 0
l2->l_pcu_valid = l1->l_pcu_valid;
#endif
uvm_lwp_setuarea(l2, uaddr);
uvm_lwp_fork(l1, l2, stack, stacksize, func, (arg != NULL) ? arg : l2);