From: Thomas Gleixner <tglx@linutronix.de>
To: Borislav Petkov <bp@alien8.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
x86@kernel.org, "Chang S. Bae" <chang.seok.bae@intel.com>,
Arjan van de Ven <arjan@linux.intel.com>,
Nikolay Borisov <nik.borisov@suse.com>
Subject: Re: [patch V3 29/30] x86/microcode: Prepare for minimal revision check
Date: Mon, 02 Oct 2023 11:42:27 +0200 [thread overview]
Message-ID: <8734yte4xo.ffs@tglx> (raw)
In-Reply-To: <20230928114733.GAZRVn1R4wvnS6AXIW@fat_crate.local>
On Thu, Sep 28 2023 at 13:47, Borislav Petkov wrote:
> On Tue, Sep 12, 2023 at 09:58:30AM +0200, Thomas Gleixner wrote:
>> --- a/arch/x86/kernel/cpu/microcode/core.c
>> +++ b/arch/x86/kernel/cpu/microcode/core.c
>> @@ -46,6 +46,9 @@
>> static struct microcode_ops *microcode_ops;
>> static bool dis_ucode_ldr = true;
>>
>> +bool force_minrev = IS_ENABLED(CONFIG_MICROCODE_LATE_FORCE_MINREV);
>> +module_param(force_minrev, bool, S_IRUSR | S_IWUSR);
>
> Yeah, it's not a module anymore.
module_param is not restricted to modules. You can utilize it for
builtin code too.
next prev parent reply other threads:[~2023-10-02 9:42 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-12 7:57 [patch V3 00/30] x86/microcode: Cleanup and late loading enhancements Thomas Gleixner
2023-09-12 7:57 ` [patch V3 01/30] x86/microcode/32: Move early loading after paging enable Thomas Gleixner
2023-09-13 15:06 ` Borislav Petkov
2023-09-16 9:03 ` Chang S. Bae
2023-09-17 19:17 ` Thomas Gleixner
2023-09-19 14:54 ` [patch V3a " Thomas Gleixner
2023-09-12 7:57 ` [patch V3 02/30] x86/boot/32: Disable stackprotector and tracing for mk_early_pgtbl_32() Thomas Gleixner
2023-09-18 17:12 ` Borislav Petkov
2023-09-12 7:57 ` [patch V3 03/30] x86/microcode/intel: Rip out mixed stepping support for Intel CPUs Thomas Gleixner
2023-09-25 15:19 ` Qiuxu Zhuo
2023-09-12 7:57 ` [patch V3 04/30] x86/microcode/intel: Simplify scan_microcode() Thomas Gleixner
2023-09-19 12:52 ` Borislav Petkov
2023-09-12 7:57 ` [patch V3 05/30] x86/microcode/intel: Simplify and rename generic_load_microcode() Thomas Gleixner
2023-09-12 7:57 ` [patch V3 06/30] x86/microcode/intel: Cleanup code further Thomas Gleixner
2023-09-19 14:13 ` Borislav Petkov
2023-09-12 7:57 ` [patch V3 07/30] x86/microcode/intel: Simplify early loading Thomas Gleixner
2023-09-19 14:32 ` Borislav Petkov
2023-09-19 14:57 ` Thomas Gleixner
2023-09-19 17:35 ` Thomas Gleixner
2023-09-12 7:57 ` [patch V3 08/30] x86/microcode/intel: Save the microcode only after a successful late-load Thomas Gleixner
2023-09-20 14:39 ` Borislav Petkov
2023-09-25 15:30 ` Subject: " Qiuxu Zhuo
2023-09-12 7:57 ` [patch V3 09/30] x86/microcode/intel: Switch to kvmalloc() Thomas Gleixner
2023-09-25 15:43 ` Subject: " Qiuxu Zhuo
2023-09-12 7:57 ` [patch V3 10/30] x86/microcode/intel: Unify microcode apply() functions Thomas Gleixner
2023-09-21 10:07 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 11/30] x86/microcode/intel: Rework intel_cpu_collect_info() Thomas Gleixner
2023-09-12 7:58 ` [patch V3 12/30] x86/microcode/intel: Reuse intel_cpu_collect_info() Thomas Gleixner
2023-09-21 10:42 ` Borislav Petkov
2023-09-25 10:47 ` Thomas Gleixner
2023-10-03 14:14 ` Borislav Petkov
2023-10-03 14:23 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 13/30] x86/microcode/intel: Rework intel_find_matching_signature() Thomas Gleixner
2023-09-12 7:58 ` [patch V3 14/30] x86/microcode/amd: Read revision from hardware in collect_cpu_info_amd() Thomas Gleixner
2023-09-12 7:58 ` [patch V3 15/30] x86/microcode: Remove pointless apply() invocation Thomas Gleixner
2023-09-12 7:58 ` [patch V3 16/30] x86/microcode: Get rid of the schedule work indirection Thomas Gleixner
2023-09-12 7:58 ` [patch V3 17/30] x86/microcode: Clean up mc_cpu_down_prep() Thomas Gleixner
2023-09-12 7:58 ` [patch V3 18/30] x86/microcode: Handle "nosmt" correctly Thomas Gleixner
2023-09-22 13:42 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 19/30] x86/microcode: Clarify the late load logic Thomas Gleixner
2023-09-22 15:59 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 20/30] x86/microcode: Sanitize __wait_for_cpus() Thomas Gleixner
2023-09-22 16:24 ` Borislav Petkov
2023-09-26 8:51 ` Thomas Gleixner
2023-09-27 7:56 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 21/30] x86/microcode: Add per CPU result state Thomas Gleixner
2023-09-24 6:29 ` Borislav Petkov
2023-09-26 9:09 ` Thomas Gleixner
2023-09-27 11:28 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 22/30] x86/microcode: Add per CPU control field Thomas Gleixner
2023-09-24 6:47 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 23/30] x86/microcode: Provide new control functions Thomas Gleixner
2023-09-24 6:58 ` Borislav Petkov
2023-09-26 9:42 ` Thomas Gleixner
2023-09-27 11:50 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 24/30] x86/microcode: Replace the all in one rendevouz handler Thomas Gleixner
2023-09-27 16:47 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 25/30] x86/microcode: Rendezvous and load in NMI Thomas Gleixner
2023-09-27 17:17 ` Borislav Petkov
2023-09-28 9:33 ` Thomas Gleixner
2023-09-12 7:58 ` [patch V3 26/30] x86/microcode: Protect against instrumentation Thomas Gleixner
2023-09-28 10:52 ` Borislav Petkov
2023-09-12 7:58 ` [patch V3 27/30] x86/apic: Provide apic_force_nmi_on_cpu() Thomas Gleixner
2023-09-12 7:58 ` [patch V3 28/30] x86/microcode: Handle "offline" CPUs correctly Thomas Gleixner
2023-09-12 7:58 ` [patch V3 29/30] x86/microcode: Prepare for minimal revision check Thomas Gleixner
2023-09-28 11:47 ` Borislav Petkov
2023-10-02 9:42 ` Thomas Gleixner [this message]
2023-09-12 7:58 ` [patch V3 30/30] x86/microcode/intel: Add a minimum required revision for late-loads Thomas Gleixner
2023-09-25 16:20 ` Qiuxu Zhuo
2023-09-25 17:02 ` [patch V3 00/30] x86/microcode: Cleanup and late loading enhancements Qiuxu Zhuo
2023-09-28 12:00 ` Borislav Petkov
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