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Peter Anvin" , Tony Luck , Reinette Chatre , Dave Martin , James Morse , Babu Moger Subject: [PATCH v3 0/5] x86/msr: Drop 32-bit interfaces of native MSR functions Date: Mon, 26 Oct 2026 15:11:15 +0100 Message-ID: <20261026141120.780172-1-jgross@suse.com> X-Mailer: git-send-email 2.56.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-11.80 / 50.00]; SUSE_INTERNAL_BYPASS(-9.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWELVE(0.00)[13]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[] X-Spam-Score: -11.80 X-Spam-Level: X-Spam-Flag: NO Switch all users of the 32-bit native_*() MSR access functions to the 64-bit ones and drop the 32-bit interfaces. Based on the series "x86/msr: Drop 32-bit MSR interfaces" [1]. [1]: https://lore.kernel.org/lkml/20261026130223.773129-1-jgross@suse.com/T/#t Changes in V2: - small fix in patch 1 - rebased Changes in V3: - another small fix in patch 1 - rebased Juergen Gross (5): x86/msr: Switch users of native_wrmsr() to native_wrmsrq() x86/msr: Remove native_wrmsr() x86/msr: Switch users of native_rdmsr() to native_rdmsrq() x86/msr: Remove native_rdmsr() x86/msr: Switch native_wrmsrq() from macro to inline function arch/x86/coco/sev/internal.h | 7 +------ arch/x86/include/asm/microcode.h | 6 +----- arch/x86/include/asm/msr.h | 16 ++++------------ arch/x86/kernel/cpu/intel.c | 6 +++--- arch/x86/kernel/cpu/microcode/amd.c | 4 ++-- arch/x86/kernel/cpu/microcode/core.c | 4 ++-- arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 4 ++-- 7 files changed, 15 insertions(+), 32 deletions(-) -- 2.56.0