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authorArnd Bergmann <arnd@arndb.de>2025-12-16 22:36:12 +0100
committerWei Liu <wei.liu@kernel.org>2025-12-17 18:04:15 +0000
commit92c172ae16a2718aba0d8fec5a62fc1b8aa452dc (patch)
tree5aaa88739633ee6a4ee1696f72e4029db6ff0857
parentbeb15a6036fecbdc23191f09e4cd57558b0db508 (diff)
mshv: hide x86-specific functions on arm64
The hv_sleep_notifiers_register() and hv_machine_power_off() functions are only called and declared on x86, but cause a warning on arm64: drivers/hv/mshv_common.c:210:6: error: no previous prototype for 'hv_sleep_notifiers_register' [-Werror=missing-prototypes] 210 | void hv_sleep_notifiers_register(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hv/mshv_common.c:224:6: error: no previous prototype for 'hv_machine_power_off' [-Werror=missing-prototypes] 224 | void hv_machine_power_off(void) | ^~~~~~~~~~~~~~~~~~~~ Hide both inside of an #ifdef block. Fixes: f0be2600ac55 ("mshv: Use reboot notifier to configure sleep state") Fixes: 615a6e7d83f9 ("mshv: Cleanly shutdown root partition with MSHV") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Wei Liu <wei.liu@kernel.org>
-rw-r--r--drivers/hv/mshv_common.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hv/mshv_common.c b/drivers/hv/mshv_common.c
index 58027b23c206..63f09bb5136e 100644
--- a/drivers/hv/mshv_common.c
+++ b/drivers/hv/mshv_common.c
@@ -142,6 +142,7 @@ int hv_call_get_partition_property(u64 partition_id,
}
EXPORT_SYMBOL_GPL(hv_call_get_partition_property);
+#ifdef CONFIG_X86
/*
* Corresponding sleep states have to be initialized in order for a subsequent
* HVCALL_ENTER_SLEEP_STATE call to succeed. Currently only S5 state as per
@@ -237,3 +238,4 @@ void hv_machine_power_off(void)
BUG();
}
+#endif