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authorJiri Kosina <[email protected]>2021-03-30 09:17:09 +0200
committerJiri Kosina <[email protected]>2021-03-30 09:17:09 +0200
commita6ad93e37e76ec43c9cee6a91dd783fb854c2ff1 (patch)
treed091c71637d37d0fb0255af766a9287de6a4611a /arch/openrisc/kernel/process.c
parent69aea9d2843669387d100e353b5113d1adc9502f (diff)
parentaebf0a11a8c1fb6444d1365db97f90672199a867 (diff)
Merge tag 'platform-drivers-x86-surface-aggregator-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 into for-5.13/surface-system-aggregator-intergration
Pull immutable integration branch from Hans de Goede to have a stable base for SSAM (Surface System Aggregator Module) HID transport subsystem merge. ===== Signed tag for the immutable platform-surface-aggregator-registry branch for merging into other sub-systems. Note this is based on v5.12-rc2. =====
Diffstat (limited to 'arch/openrisc/kernel/process.c')
-rw-r--r--arch/openrisc/kernel/process.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
index 3c98728cce24..eb62429681fc 100644
--- a/arch/openrisc/kernel/process.c
+++ b/arch/openrisc/kernel/process.c
@@ -34,6 +34,7 @@
#include <linux/init_task.h>
#include <linux/mqueue.h>
#include <linux/fs.h>
+#include <linux/reboot.h>
#include <linux/uaccess.h>
#include <asm/io.h>
@@ -49,10 +50,16 @@
*/
struct thread_info *current_thread_info_set[NR_CPUS] = { &init_thread_info, };
-void machine_restart(void)
+void machine_restart(char *cmd)
{
- printk(KERN_INFO "*** MACHINE RESTART ***\n");
- __asm__("l.nop 1");
+ do_kernel_restart(cmd);
+
+ /* Give a grace period for failure to restart of 1s */
+ mdelay(1000);
+
+ /* Whoops - the platform was unable to reboot. Tell the user! */
+ pr_emerg("Reboot failed -- System halted\n");
+ while (1);
}
/*
@@ -167,7 +174,7 @@ copy_thread(unsigned long clone_flags, unsigned long usp, unsigned long arg,
sp -= sizeof(struct pt_regs);
kregs = (struct pt_regs *)sp;
- if (unlikely(p->flags & PF_KTHREAD)) {
+ if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) {
memset(kregs, 0, sizeof(struct pt_regs));
kregs->gpr[20] = usp; /* fn, kernel thread */
kregs->gpr[22] = arg;