Reviewed-by: Bibo Mao <[email protected]>
On 2025/10/6 下午3:45, Juergen Gross wrote:
Remove the arch specific variant of paravirt_steal_clock() and use
the common one instead.
Signed-off-by: Juergen Gross <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
---
arch/loongarch/Kconfig | 1 +
arch/loongarch/include/asm/paravirt.h | 10 ----------
arch/loongarch/kernel/paravirt.c | 7 -------
3 files changed, 1 insertion(+), 17 deletions(-)
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index ea683bcea14c..7a9d1d0edc92 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -671,6 +671,7 @@ source "kernel/livepatch/Kconfig"
config PARAVIRT
bool "Enable paravirtualization code"
depends on AS_HAS_LVZ_EXTENSION
+ select HAVE_PV_STEAL_CLOCK_GEN
help
This changes the kernel so it can modify itself when it is run
under a hypervisor, potentially improving performance significantly
diff --git a/arch/loongarch/include/asm/paravirt.h
b/arch/loongarch/include/asm/paravirt.h
index d219ea0d98ac..0111f0ad5f73 100644
--- a/arch/loongarch/include/asm/paravirt.h
+++ b/arch/loongarch/include/asm/paravirt.h
@@ -4,16 +4,6 @@
#ifdef CONFIG_PARAVIRT
-#include <linux/static_call_types.h>
-
-u64 dummy_steal_clock(int cpu);
-DECLARE_STATIC_CALL(pv_steal_clock, dummy_steal_clock);
-
-static inline u64 paravirt_steal_clock(int cpu)
-{
- return static_call(pv_steal_clock)(cpu);
-}
-
int __init pv_ipi_init(void);
int __init pv_time_init(void);
int __init pv_spinlock_init(void);
diff --git a/arch/loongarch/kernel/paravirt.c b/arch/loongarch/kernel/paravirt.c
index 8caaa94fed1a..c5e526098c0b 100644
--- a/arch/loongarch/kernel/paravirt.c
+++ b/arch/loongarch/kernel/paravirt.c
@@ -13,13 +13,6 @@ static int has_steal_clock;
static DEFINE_PER_CPU(struct kvm_steal_time, steal_time) __aligned(64);
DEFINE_STATIC_KEY_FALSE(virt_spin_lock_key);
-static u64 native_steal_clock(int cpu)
-{
- return 0;
-}
-
-DEFINE_STATIC_CALL(pv_steal_clock, native_steal_clock);
-
static bool steal_acc = true;
static int __init parse_no_stealacc(char *arg)
