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Peter Anvin" Subject: [PATCH 10/32] x86/hygon: Stop using 32-bit MSR interfaces Date: Mon, 29 Jun 2026 08:05:01 +0200 Message-ID: <20260629060526.3638272-11-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-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Flag: NO 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]; MIME_TRACE(0.00)[0:+]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; RCPT_COUNT_SEVEN(0.00)[9]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLfdszjqhz8kzzb9uwpzdm8png)]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.com:email,suse.com:mid]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[] X-Spam-Level: X-Spam-Score: -6.80 The 32-bit MSR interface rdmsr_safe()is planned to be removed. Use the related 64-bit variant instead. Signed-off-by: Juergen Gross --- arch/x86/kernel/cpu/hygon.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/hygon.c b/arch/x86/kernel/cpu/hygon.c index 3e8891a9caf2..ec51c2b9a257 100644 --- a/arch/x86/kernel/cpu/hygon.c +++ b/arch/x86/kernel/cpu/hygon.c @@ -125,11 +125,12 @@ static void bsp_init_hygon(struct cpuinfo_x86 *c) static void early_init_hygon(struct cpuinfo_x86 *c) { - u32 dummy; + u64 val; set_cpu_cap(c, X86_FEATURE_K8); - rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy); + rdmsrq_safe(MSR_AMD64_PATCH_LEVEL, &val); + c->microcode = (u32)val; /* * c->x86_power is 8000_0007 edx. Bit 8 is TSC runs at constant rate -- 2.54.0