6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
[ Upstream commit 5e7aa97c7acf171275ac02a8bb018c31b8918d13 ]
The caller, ptp_kvm_init(), emits a warning if kvm_arch_ptp_init() exits
with any error which is not EOPNOTSUPP:
"fail to initialize ptp_kvm"
Replace ENODEV with EOPNOTSUPP to avoid this spurious warning,
aligning with the ARM implementation.
Fixes: a86ed2cfa13c ("ptp: Don't print an error if ptp_kvm is not supported")
Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
Link: https://patch.msgid.link/20241203-kvm_ptp-eopnotsuppp-v2-1-d1d060f27aa6@xxxxxxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/ptp/ptp_kvm_x86.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/ptp/ptp_kvm_x86.c b/drivers/ptp/ptp_kvm_x86.c
index 617c8d6706d3..6cea4fe39bcf 100644
--- a/drivers/ptp/ptp_kvm_x86.c
+++ b/drivers/ptp/ptp_kvm_x86.c
@@ -26,7 +26,7 @@ int kvm_arch_ptp_init(void)
long ret;
if (!kvm_para_available())
- return -ENODEV;
+ return -EOPNOTSUPP;
if (cc_platform_has(CC_ATTR_GUEST_MEM_ENCRYPT)) {
p = alloc_page(GFP_KERNEL | __GFP_ZERO);
@@ -46,14 +46,14 @@ int kvm_arch_ptp_init(void)
clock_pair_gpa = slow_virt_to_phys(clock_pair);
if (!pvclock_get_pvti_cpu0_va()) {
- ret = -ENODEV;
+ ret = -EOPNOTSUPP;
goto err;
}
ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING, clock_pair_gpa,
KVM_CLOCK_PAIRING_WALLCLOCK);
if (ret == -KVM_ENOSYS) {
- ret = -ENODEV;
+ ret = -EOPNOTSUPP;
goto err;
}
--
2.39.5
