From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
virtualization@lists.linux.dev, x86@kernel.org
Cc: Juergen Gross <jgross@suse.com>, Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Ajay Kaher <ajay.kaher@broadcom.com>,
Alexey Makhalov <alexey.makhalov@broadcom.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Andrew Jones <ajones@ventanamicro.com>
Subject: [PATCH v5 10/21] riscv/paravirt: Use common code for paravirt_steal_clock()
Date: Mon, 5 Jan 2026 12:05:09 +0100 [thread overview]
Message-ID: <20260105110520.21356-11-jgross@suse.com> (raw)
In-Reply-To: <20260105110520.21356-1-jgross@suse.com>
Remove the arch specific variant of paravirt_steal_clock() and use
the common one instead.
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
---
arch/riscv/Kconfig | 1 +
arch/riscv/include/asm/paravirt.h | 10 ----------
arch/riscv/kernel/paravirt.c | 7 -------
3 files changed, 1 insertion(+), 17 deletions(-)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 6b39f37f769a..80a4cd557198 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -1111,6 +1111,7 @@ config COMPAT
config PARAVIRT
bool "Enable paravirtualization code"
depends on RISCV_SBI
+ 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/riscv/include/asm/paravirt.h b/arch/riscv/include/asm/paravirt.h
index 17e5e39c72c0..c49c55b266f3 100644
--- a/arch/riscv/include/asm/paravirt.h
+++ b/arch/riscv/include/asm/paravirt.h
@@ -3,16 +3,6 @@
#define _ASM_RISCV_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/riscv/kernel/paravirt.c b/arch/riscv/kernel/paravirt.c
index d3c334f16172..5f56be79cd06 100644
--- a/arch/riscv/kernel/paravirt.c
+++ b/arch/riscv/kernel/paravirt.c
@@ -23,13 +23,6 @@
#include <asm/paravirt.h>
#include <asm/sbi.h>
-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)
{
--
2.51.0
next prev parent reply other threads:[~2026-01-05 11:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-05 11:04 [PATCH v5 00/21] paravirt: cleanup and reorg Juergen Gross
2026-01-05 11:05 ` [PATCH v5 02/21] x86/paravirt: Remove some unneeded struct declarations Juergen Gross
2026-01-05 11:05 ` [PATCH v5 03/21] x86/paravirt: Remove PARAVIRT_DEBUG config option Juergen Gross
2026-01-05 11:05 ` [PATCH v5 04/21] x86/paravirt: Move thunk macros to paravirt_types.h Juergen Gross
2026-01-05 11:05 ` [PATCH v5 05/21] paravirt: Remove asm/paravirt_api_clock.h Juergen Gross
2026-01-05 11:05 ` [PATCH v5 06/21] sched: Move clock related paravirt code to kernel/sched Juergen Gross
2026-01-05 11:05 ` [PATCH v5 07/21] arm/paravirt: Use common code for paravirt_steal_clock() Juergen Gross
2026-01-05 11:05 ` [PATCH v5 08/21] arm64/paravirt: " Juergen Gross
2026-01-05 11:05 ` [PATCH v5 09/21] loongarch/paravirt: " Juergen Gross
2026-01-05 11:05 ` Juergen Gross [this message]
2026-01-05 11:05 ` [PATCH v5 11/21] x86/paravirt: " Juergen Gross
2026-01-05 11:05 ` [PATCH v5 12/21] x86/paravirt: Move paravirt_sched_clock() related code into tsc.c Juergen Gross
2026-01-13 6:56 ` Wei Liu
2026-01-05 11:05 ` [PATCH v5 13/21] x86/paravirt: Introduce new paravirt-base.h header Juergen Gross
2026-01-05 11:05 ` [PATCH v5 14/21] x86/paravirt: Move pv_native_*() prototypes to paravirt.c Juergen Gross
2026-01-05 11:05 ` [PATCH v5 19/21] x86/paravirt: Allow pv-calls outside paravirt.h Juergen Gross
2026-01-05 11:05 ` [PATCH v5 20/21] x86/paravirt: Specify pv_ops array in paravirt macros Juergen Gross
2026-01-05 11:05 ` [PATCH v5 21/21] x86/pvlocks: Move paravirt spinlock functions into own header Juergen Gross
2026-01-13 6:57 ` Wei Liu
2026-02-20 4:10 ` [PATCH v5 00/21] paravirt: cleanup and reorg patchwork-bot+linux-riscv
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