public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Juergen Gross <jgross@suse.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH v4 11/16] x86/mtrr: let cache_aps_delayed_init replace mtrr_aps_delayed_init
Date: Thu, 27 Oct 2022 15:08:54 +0200	[thread overview]
Message-ID: <bdf0b33f-b332-1597-3922-2ff4fa768929@suse.com> (raw)
In-Reply-To: <Y1p2+4W+tydH4peD@zn.tnic>


[-- Attachment #1.1.1: Type: text/plain, Size: 779 bytes --]

On 27.10.22 14:18, Borislav Petkov wrote:
> On Tue, Oct 04, 2022 at 10:10:18AM +0200, Juergen Gross wrote:
>> diff --git a/arch/x86/kernel/cpu/cacheinfo.c b/arch/x86/kernel/cpu/cacheinfo.c
>> index 49b60a427fc9..330aa412be63 100644
>> --- a/arch/x86/kernel/cpu/cacheinfo.c
>> +++ b/arch/x86/kernel/cpu/cacheinfo.c
>> @@ -1137,3 +1137,10 @@ void cache_cpu_init(void)
>>   	cache_enable();
>>   	local_irq_restore(flags);
>>   }
>> +
>> +bool cache_aps_delayed_init;
> 
> Why isn't that static and only the accessors set it or clear it?
> 
>> +void set_cache_aps_delayed_init(void)
>> +{
>> +	cache_aps_delayed_init = true;
>> +}
> 
> Otherwise, there's no point for this thing.

Hmm, right.

I'll add a get_cache_aps_delayed_init() accessor.


Juergen

[-- Attachment #1.1.2: OpenPGP public key --]
[-- Type: application/pgp-keys, Size: 3149 bytes --]

[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 495 bytes --]

  reply	other threads:[~2022-10-27 13:09 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-04  8:10 [PATCH v4 00/16] x86: make pat and mtrr independent from each other Juergen Gross
2022-10-04  8:10 ` [PATCH v4 01/16] x86/mtrr: add comment for set_mtrr_state() serialization Juergen Gross
2022-10-04  8:10 ` [PATCH v4 02/16] x86/mtrr: remove unused cyrix_set_all() function Juergen Gross
2022-10-20 14:13   ` [tip: x86/cpu] x86/mtrr: Remove " tip-bot2 for Juergen Gross
2022-10-04  8:10 ` [PATCH v4 03/16] x86/mtrr: replace use_intel() with a local flag Juergen Gross
2022-10-21 17:19   ` Borislav Petkov
2022-10-21 18:05     ` Juergen Gross
2022-10-21 18:10       ` Borislav Petkov
2022-10-04  8:10 ` [PATCH v4 04/16] x86/mtrr: rename prepare_set() and post_set() Juergen Gross
2022-10-04  8:10 ` [PATCH v4 05/16] x86/mtrr: split MTRR specific handling from cache dis/enabling Juergen Gross
2022-10-26  9:24   ` Borislav Petkov
2022-10-26 11:42     ` Juergen Gross
2022-10-04  8:10 ` [PATCH v4 06/16] x86: move some code out of arch/x86/kernel/cpu/mtrr Juergen Gross
2022-10-04  8:10 ` [PATCH v4 07/16] x86/mtrr: split generic_set_all() Juergen Gross
2022-10-26 10:37   ` Borislav Petkov
2022-10-26 11:43     ` Juergen Gross
2022-10-26 12:10       ` Borislav Petkov
2022-10-04  8:10 ` [PATCH v4 08/16] x86/mtrr: remove set_all callback from struct mtrr_ops Juergen Gross
2022-10-27  9:18   ` Borislav Petkov
2022-10-04  8:10 ` [PATCH v4 09/16] x86/mtrr: simplify mtrr_bp_init() Juergen Gross
2022-10-27  9:32   ` Borislav Petkov
2022-10-04  8:10 ` [PATCH v4 10/16] x86/mtrr: get rid of mtrr_enabled bool Juergen Gross
2022-10-04  8:10 ` [PATCH v4 11/16] x86/mtrr: let cache_aps_delayed_init replace mtrr_aps_delayed_init Juergen Gross
2022-10-27 12:18   ` Borislav Petkov
2022-10-27 13:08     ` Juergen Gross [this message]
2022-10-04  8:10 ` [PATCH v4 12/16] x86/mtrr: add a stop_machine() handler calling only cache_cpu_init() Juergen Gross
2022-10-29 10:07   ` Borislav Petkov
2022-10-04  8:10 ` [PATCH v4 13/16] x86: decouple pat and mtrr handling Juergen Gross
2022-10-29 12:15   ` Borislav Petkov
2022-10-04  8:10 ` [PATCH v4 14/16] x86: switch cache_ap_init() to hotplug callback Juergen Gross
2022-10-04  8:10 ` [PATCH v4 15/16] x86: do MTRR/PAT setup on all secondary CPUs in parallel Juergen Gross
2022-10-04  8:10 ` [PATCH v4 16/16] x86/mtrr: simplify mtrr_ops initialization Juergen Gross
2022-10-30 12:06   ` Borislav Petkov
2022-10-30 15:05     ` Juergen Gross
2022-10-30 16:39       ` Borislav Petkov
2022-10-30 17:48         ` Borislav Petkov
2022-11-01  9:48         ` Juergen Gross
2022-11-01 10:02           ` Borislav Petkov
2022-10-19  7:18 ` [PATCH v4 00/16] x86: make pat and mtrr independent from each other Juergen Gross

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=bdf0b33f-b332-1597-3922-2ff4fa768929@suse.com \
    --to=jgross@suse.com \
    --cc=bp@alien8.de \
    --cc=dave.hansen@linux.intel.com \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=tglx@linutronix.de \
    --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