linux-kernel - [tip: x86/paravirt] arm64/paravirt: Use common code for paravirt_steal

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <176838721467.510.9865665665690648431.tip-bot2@tip-bot2>
Date: Wed, 14 Jan 2026 10:40:14 -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>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/paravirt] arm64/paravirt: Use common code for
 paravirt_steal_clock()

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

Commit-ID:     ad892c4851577ab03c9a297f5addb8450cf844fd
Gitweb:        https://git.kernel.org/tip/ad892c4851577ab03c9a297f5addb8450cf844fd
Author:        Juergen Gross <jgross@...e.com>
AuthorDate:    Mon, 05 Jan 2026 12:05:07 +01:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Mon, 12 Jan 2026 16:30:00 +01:00

arm64/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>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://patch.msgid.link/20260105110520.21356-9-jgross@suse.com
---
 arch/arm64/Kconfig                |  1 +
 arch/arm64/include/asm/paravirt.h | 10 ----------
 arch/arm64/kernel/paravirt.c      |  7 -------
 3 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 93173f0..abbfc54 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1561,6 +1561,7 @@ config CC_HAVE_SHADOW_CALL_STACK
 
 config PARAVIRT
 	bool "Enable paravirtualization code"
+	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/arm64/include/asm/paravirt.h b/arch/arm64/include/asm/paravirt.h
index c9f7590..cb037e7 100644
--- a/arch/arm64/include/asm/paravirt.h
+++ b/arch/arm64/include/asm/paravirt.h
@@ -3,16 +3,6 @@
 #define _ASM_ARM64_PARAVIRT_H
 
 #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_time_init(void);
 
diff --git a/arch/arm64/kernel/paravirt.c b/arch/arm64/kernel/paravirt.c
index 943b60c..572efb9 100644
--- a/arch/arm64/kernel/paravirt.c
+++ b/arch/arm64/kernel/paravirt.c
@@ -25,13 +25,6 @@
 #include <asm/pvclock-abi.h>
 #include <asm/smp_plat.h>
 
-static u64 native_steal_clock(int cpu)
-{
-	return 0;
-}
-
-DEFINE_STATIC_CALL(pv_steal_clock, native_steal_clock);
-
 struct pv_time_stolen_time_region {
 	struct pvclock_vcpu_stolen_time __rcu *kaddr;
 };