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 25/30] x86/microcode: Rendezvous and load in NMI
Date: Thu, 28 Sep 2023 11:33:07 +0200 [thread overview]
Message-ID: <878r8qfxrg.ffs@tglx> (raw)
In-Reply-To: <20230927171713.GBZRRjmUDQrV9HVxv-@fat_crate.local>
On Wed, Sep 27 2023 at 19:17, Borislav Petkov wrote:
> On Tue, Sep 12, 2023 at 09:58:23AM +0200, Thomas Gleixner wrote:
>>
>> - /* No point to wait here. The CPUs will all wait in stop_machine(). */
>> + touch_nmi_watchdog();
>
> AFAICT, you're touching the NMI watchdog even in the !use_nmi case.
Yes, we need that also for the non-NMI case because this runs in
stop-machine.
next prev parent reply other threads:[~2023-09-28 9:33 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 [this message]
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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=878r8qfxrg.ffs@tglx \
--to=tglx@linutronix.de \
--cc=arjan@linux.intel.com \
--cc=bp@alien8.de \
--cc=chang.seok.bae@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=nik.borisov@suse.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox