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Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" Subject: [PATCH 27/32] x86/hyperv: Stop using 32-bit MSR interfaces Date: Mon, 29 Jun 2026 08:05:18 +0200 Message-ID: <20260629060526.3638272-28-jgross@suse.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260629060526.3638272-1-jgross@suse.com> References: <20260629060526.3638272-1-jgross@suse.com> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Flag: NO X-Spam-Score: -6.80 X-Spamd-Result: default: False [-6.80 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email,suse.com:mid,imap1.dmz-prg2.suse.org:helo]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; RCPT_COUNT_TWELVE(0.00)[14]; RCVD_VIA_SMTP_AUTH(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; R_RATELIMIT(0.00)[to_ip_from(RLfdszjqhz8kzzb9uwpzdm8png)]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; RCVD_TLS_ALL(0.00)[] X-Spam-Level: The 32-bit MSR interface rdmsr() is planned to be removed. Use the related 64-bit variant instead. Signed-off-by: Juergen Gross --- arch/x86/hyperv/hv_apic.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c index a8de503def37..95f1782d1e17 100644 --- a/arch/x86/hyperv/hv_apic.c +++ b/arch/x86/hyperv/hv_apic.c @@ -60,17 +60,15 @@ void hv_enable_coco_interrupt(unsigned int cpu, unsigned int vector, bool set) static u32 hv_apic_read(u32 reg) { - u32 reg_val, hi; + struct msr reg_val; switch (reg) { case APIC_EOI: - rdmsr(HV_X64_MSR_EOI, reg_val, hi); - (void)hi; - return reg_val; + rdmsrq(HV_X64_MSR_EOI, reg_val.q); + return reg_val.l; case APIC_TASKPRI: - rdmsr(HV_X64_MSR_TPR, reg_val, hi); - (void)hi; - return reg_val; + rdmsrq(HV_X64_MSR_TPR, reg_val.q); + return reg_val.l; default: return native_apic_mem_read(reg); -- 2.54.0