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authorPaolo Bonzini <pbonzini@redhat.com>2023-02-15 12:33:28 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2023-02-15 12:33:28 -0500
commit33436335e93a1788a58443fc99c5ab320ce4b9d9 (patch)
treed92f88768c8dbd00f8b65164f47a8a091768b95a /drivers/watchdog/diag288_wdt.c
parent27b025ebb0f6092d5c0a88de2ab73545bc1c496e (diff)
parentc39cea6f38eefe356d64d0bc1e1f2267e282cdd3 (diff)
Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 6.3 - Fix wrong usage of PGDIR_SIZE to check page sizes - Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect() - Redirect illegal instruction traps to guest - SBI PMU support for guest
Diffstat (limited to 'drivers/watchdog/diag288_wdt.c')
-rw-r--r--drivers/watchdog/diag288_wdt.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/watchdog/diag288_wdt.c b/drivers/watchdog/diag288_wdt.c
index 4cb10877017c..6ca5d9515d85 100644
--- a/drivers/watchdog/diag288_wdt.c
+++ b/drivers/watchdog/diag288_wdt.c
@@ -86,7 +86,7 @@ static int __diag288(unsigned int func, unsigned int timeout,
"1:\n"
EX_TABLE(0b, 1b)
: "+d" (err) : "d"(__func), "d"(__timeout),
- "d"(__action), "d"(__len) : "1", "cc");
+ "d"(__action), "d"(__len) : "1", "cc", "memory");
return err;
}
@@ -268,12 +268,21 @@ static int __init diag288_init(void)
char ebc_begin[] = {
194, 197, 199, 201, 213
};
+ char *ebc_cmd;
watchdog_set_nowayout(&wdt_dev, nowayout_info);
if (MACHINE_IS_VM) {
- if (__diag288_vm(WDT_FUNC_INIT, 15,
- ebc_begin, sizeof(ebc_begin)) != 0) {
+ ebc_cmd = kmalloc(sizeof(ebc_begin), GFP_KERNEL);
+ if (!ebc_cmd) {
+ pr_err("The watchdog cannot be initialized\n");
+ return -ENOMEM;
+ }
+ memcpy(ebc_cmd, ebc_begin, sizeof(ebc_begin));
+ ret = __diag288_vm(WDT_FUNC_INIT, 15,
+ ebc_cmd, sizeof(ebc_begin));
+ kfree(ebc_cmd);
+ if (ret != 0) {
pr_err("The watchdog cannot be initialized\n");
return -EINVAL;
}