From: "Li, Xin3" <xin3.li@intel.com>
To: "Li, Xin3" <xin3.li@intel.com>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
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Cc: "tglx@linutronix.de" <tglx@linutronix.de>,
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Sean" <seanjc@google.com>,
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"Gross, Jurgen" <jgross@suse.com>,
"Shankar, Ravi V" <ravi.v.shankar@intel.com>,
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"andrew.cooper3@citrix.com" <andrew.cooper3@citrix.com>,
"jiangshanlai@gmail.com" <jiangshanlai@gmail.com>,
"nik.borisov@suse.com" <nik.borisov@suse.com>
Subject: RE: [PATCH v12 02/37] x86/opcode: Add the WRMSRNS instruction to the x86 opcode map
Date: Thu, 30 Nov 2023 06:01:41 +0000 [thread overview]
Message-ID: <SA1PR11MB6734FFBF0BE0CCC7532C2505A882A@SA1PR11MB6734.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20231003062458.23552-3-xin3.li@intel.com>
> Add the opcode used by WRMSRNS, which is the non-serializing version of
> WRMSR and may replace it to improve performance, to the x86 opcode map.
>
> Tested-by: Shan Kang <shan.kang@intel.com>
> Signed-off-by: Xin Li <xin3.li@intel.com>
> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Hi Masami,
Boris prefers to merge the first 3 patches into one:
https://lore.kernel.org/lkml/20231108123647.GBZUuA31zntox0W0gu@fat_crate.local/#t
So I'm thinking could you please also ack the other 2 patches (1st and 3rd
of this patch set)?
Thus I can keep your acked-by 😊
Thanks!
Xin
> ---
> arch/x86/lib/x86-opcode-map.txt | 2 +-
> tools/arch/x86/lib/x86-opcode-map.txt | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
next prev parent reply other threads:[~2023-11-30 6:01 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-03 6:24 [PATCH v12 00/37] x86: enable FRED for x86-64 Xin Li
2023-10-03 6:24 ` [PATCH v12 01/37] x86/cpufeatures: Add the cpu feature bit for WRMSRNS Xin Li
2023-11-08 12:36 ` Borislav Petkov
2023-11-14 0:43 ` Li, Xin3
2023-11-14 5:02 ` Borislav Petkov
2023-11-14 5:58 ` Li, Xin3
2023-10-03 6:24 ` [PATCH v12 02/37] x86/opcode: Add the WRMSRNS instruction to the x86 opcode map Xin Li
2023-11-30 6:01 ` Li, Xin3 [this message]
2023-10-03 6:24 ` [PATCH v12 03/37] x86/msr: Add the WRMSRNS instruction support Xin Li
2023-10-03 6:24 ` [PATCH v12 04/37] x86/entry: Remove idtentry_sysvec from entry_{32,64}.S Xin Li
2023-10-03 6:24 ` [PATCH v12 05/37] x86/trapnr: Add event type macros to <asm/trapnr.h> Xin Li
2023-10-03 6:24 ` [PATCH v12 06/37] Documentation/x86/64: Add a documentation for FRED Xin Li
2023-10-03 9:59 ` Bagas Sanjaya
2023-10-05 8:04 ` Li, Xin3
2023-10-03 6:24 ` [PATCH v12 07/37] x86/fred: Add Kconfig option for FRED (CONFIG_X86_FRED) Xin Li
2023-10-03 6:24 ` [PATCH v12 08/37] x86/cpufeatures: Add the cpu feature bit for FRED Xin Li
2023-10-03 6:24 ` [PATCH v12 09/37] x86/fred: Disable FRED support if CONFIG_X86_FRED is disabled Xin Li
2023-10-03 6:24 ` [PATCH v12 10/37] x86/fred: Disable FRED by default in its early stage Xin Li
2023-10-03 6:24 ` [PATCH v12 11/37] x86/opcode: Add ERET[US] instructions to the x86 opcode map Xin Li
2023-10-03 6:24 ` [PATCH v12 12/37] x86/objtool: Teach objtool about ERET[US] Xin Li
2023-10-03 6:24 ` [PATCH v12 13/37] x86/cpu: Add X86_CR4_FRED macro Xin Li
2023-10-03 6:24 ` [PATCH v12 14/37] x86/cpu: Add MSR numbers for FRED configuration Xin Li
2023-10-03 6:24 ` [PATCH v12 15/37] x86/ptrace: Cleanup the definition of the pt_regs structure Xin Li
2023-11-28 8:36 ` Borislav Petkov
2023-10-03 6:24 ` [PATCH v12 16/37] x86/ptrace: Add FRED additional information to " Xin Li
2023-11-28 8:51 ` Borislav Petkov
2023-11-28 17:18 ` H. Peter Anvin
2023-10-03 6:24 ` [PATCH v12 17/37] x86/fred: Add a new header file for FRED definitions Xin Li
2023-10-03 6:24 ` [PATCH v12 18/37] x86/fred: Reserve space for the FRED stack frame Xin Li
2023-10-03 6:24 ` [PATCH v12 19/37] x86/fred: Update MSR_IA32_FRED_RSP0 during task switch Xin Li
2023-11-13 9:37 ` Borislav Petkov
2023-11-13 17:36 ` H. Peter Anvin
2023-11-13 18:29 ` Borislav Petkov
2023-11-13 18:44 ` H. Peter Anvin
2023-10-03 6:24 ` [PATCH v12 20/37] x86/fred: Disallow the swapgs instruction when FRED is enabled Xin Li
2023-11-28 9:53 ` Borislav Petkov
2023-10-03 6:24 ` [PATCH v12 21/37] x86/fred: No ESPFIX needed " Xin Li
2023-10-03 6:24 ` [PATCH v12 22/37] x86/fred: Allow single-step trap and NMI when starting a new task Xin Li
2023-10-03 6:24 ` [PATCH v12 23/37] x86/fred: Make exc_page_fault() work for FRED Xin Li
2023-11-28 10:02 ` Borislav Petkov
2023-10-03 6:24 ` [PATCH v12 24/37] x86/idtentry: Incorporate definitions/declarations of the FRED entries Xin Li
2023-11-28 10:09 ` Borislav Petkov
2023-11-28 18:39 ` Li, Xin3
2023-11-28 18:58 ` H. Peter Anvin
2023-11-28 19:18 ` Borislav Petkov
2023-10-03 6:24 ` [PATCH v12 25/37] x86/fred: Add a debug fault entry stub for FRED Xin Li
2023-10-03 6:24 ` [PATCH v12 26/37] x86/fred: Add a NMI " Xin Li
2023-10-03 6:24 ` [PATCH v12 27/37] x86/fred: Add a machine check " Xin Li
2023-10-03 6:24 ` [PATCH v12 28/37] x86/fred: FRED entry/exit and dispatch code Xin Li
2023-10-03 6:24 ` [PATCH v12 29/37] x86/traps: Add sysvec_install() to install a system interrupt handler Xin Li
2023-10-03 6:24 ` [PATCH v12 30/37] x86/fred: Let ret_from_fork_asm() jmp to asm_fred_exit_user when FRED is enabled Xin Li
2023-10-03 6:24 ` [PATCH v12 31/37] x86/fred: Fixup fault on ERETU by jumping to fred_entrypoint_user Xin Li
2023-10-03 6:24 ` [PATCH v12 32/37] x86/entry/calling: Allow PUSH_AND_CLEAR_REGS being used beyond actual entry code Xin Li
2023-10-03 6:24 ` [PATCH v12 33/37] x86/entry: Add fred_entry_from_kvm() for VMX to handle IRQ/NMI Xin Li
2023-10-03 6:24 ` [PATCH v12 34/37] KVM: VMX: Call fred_entry_from_kvm() for IRQ/NMI handling Xin Li
2023-10-03 6:24 ` [PATCH v12 35/37] x86/syscall: Split IDT syscall setup code into idt_syscall_init() Xin Li
2023-10-03 6:24 ` [PATCH v12 36/37] x86/fred: Add FRED initialization functions Xin Li
2023-10-03 6:24 ` [PATCH v12 37/37] x86/fred: Invoke FRED initialization code to enable FRED Xin Li
2023-10-05 6:18 ` [PATCH v12 00/37] x86: enable FRED for x86-64 Nikolay Borisov
2023-10-05 7:21 ` Li, Xin3
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