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Peter Anvin" Subject: [PATCH v2 06/10] x86/msr: Remove wrmsr_on_cpu() Date: Fri, 5 Jun 2026 16:43:10 +0200 Message-ID: <20260605144314.3031049-7-jgross@suse.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260605144314.3031049-1-jgross@suse.com> References: <20260605144314.3031049-1-jgross@suse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spam-Flag: NO X-Spam-Score: -4.00 X-Spam-Level: X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Rspamd-Queue-Id: 04EE26B1D5 X-Rspamd-Action: no action With no user left, wrmsr_on_cpu() can be deleted. Signed-off-by: Juergen Gross --- V2: - delete wrmsr_on_cpu() instead of wrmsrq_on_cpu() (Ingo Molnar) --- arch/x86/include/asm/msr.h | 6 ------ arch/x86/lib/msr-smp.c | 16 ---------------- 2 files changed, 22 deletions(-) diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 6e0d7a6335ff..0205643c1ece 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -256,7 +256,6 @@ int msr_set_bit(u32 msr, u8 bit); int msr_clear_bit(u32 msr, u8 bit); #ifdef CONFIG_SMP -int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h); int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q); int wrmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 q); void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs); @@ -268,11 +267,6 @@ int wrmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 q); int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]); int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]); #else /* CONFIG_SMP */ -static inline int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) -{ - wrmsr(msr_no, l, h); - return 0; -} static inline int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q) { rdmsrq(msr_no, *q); diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c index 65658e8877e6..a434c80408a0 100644 --- a/arch/x86/lib/msr-smp.c +++ b/arch/x86/lib/msr-smp.c @@ -46,22 +46,6 @@ int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q) } EXPORT_SYMBOL(rdmsrq_on_cpu); -int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) -{ - int err; - struct msr_info rv; - - memset(&rv, 0, sizeof(rv)); - - rv.msr_no = msr_no; - rv.reg.l = l; - rv.reg.h = h; - err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1); - - return err; -} -EXPORT_SYMBOL(wrmsr_on_cpu); - int wrmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 q) { int err; -- 2.54.0