linux-kernel - [tip: x86/paravirt] loongarch/paravirt: Use common code for paravirt_steal

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Message-ID: <176838721364.510.1260892452221851446.tip-bot2@tip-bot2>
Date: Wed, 14 Jan 2026 10:40:13 -0000
From: "tip-bot2 for Juergen Gross" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Juergen Gross <jgross@...e.com>, "Borislav Petkov (AMD)" <bp@...en8.de>,
 Bibo Mao <maobibo@...ngson.cn>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/paravirt] loongarch/paravirt: Use common code for
 paravirt_steal_clock()

The following commit has been merged into the x86/paravirt branch of tip:

Commit-ID:     b8431b901e825222281bbd156ea8ee8dd60b58de
Gitweb:        https://git.kernel.org/tip/b8431b901e825222281bbd156ea8ee8dd60b58de
Author:        Juergen Gross <jgross@...e.com>
AuthorDate:    Mon, 05 Jan 2026 12:05:08 +01:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Mon, 12 Jan 2026 16:47:20 +01:00

loongarch/paravirt: Use common code for paravirt_steal_clock()

Remove the arch specific variant of paravirt_steal_clock() and use
the common one instead.

Signed-off-by: Juergen Gross <jgross@...e.com>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Reviewed-by: Bibo Mao <maobibo@...ngson.cn>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://patch.msgid.link/20260105110520.21356-10-jgross@suse.com
---
 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 730f342..19f0808 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -687,6 +687,7 @@ 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 d219ea0..0111f0a 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 8caaa94..c5e5260 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)