mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Thomas Gleixner <tglx@linutronix.de>
To: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, vikas.shivappa@intel.com,
	x86@kernel.org, hpa@zytor.com, mingo@kernel.org,
	peterz@infradead.org, matt.fleming@intel.com,
	will.auld@intel.com, linux-rdt@eclists.intel.com
Subject: Re: [PATCH 09/10] x86/intel_rdt: Hot cpu support for Cache Allocation
Date: Tue, 16 Jun 2015 10:52:49 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.11.1506161046450.4120@nanos> (raw)
In-Reply-To: <1434133037-25189-10-git-send-email-vikas.shivappa@linux.intel.com>

On Fri, 12 Jun 2015, Vikas Shivappa wrote:
> +static inline void intel_rdt_cpu_start(int cpu)
> +{
> +	struct intel_pqr_state *state = &per_cpu(pqr_state, cpu);
> +
> +	state->closid = 0;
> +	mutex_lock(&rdt_group_mutex);

This is called from CPU_STARTING, which runs on the starting cpu with
interrupts disabled. Clearly never tested with any of the mandatory
debug configs enabled.

Thanks

	tglx

  reply	other threads:[~2015-06-16  8:53 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-12 18:17 [PATCH V9 00/10] New cpumask API and Intel Cache Allocation support Vikas Shivappa
2015-06-12 18:17 ` [PATCH 01/10] cpumask: Introduce cpumask_any_online_but Vikas Shivappa
2015-06-15 12:36   ` Peter Zijlstra
2015-06-15 16:48     ` Vikas Shivappa
2015-06-16  8:20       ` Thomas Gleixner
2015-06-16 19:00         ` Vikas Shivappa
2015-06-12 18:17 ` [PATCH 02/10] x86/intel_cqm: Modify hot cpu notification handling Vikas Shivappa
2015-06-15 12:38   ` Peter Zijlstra
2015-06-15 16:52     ` Vikas Shivappa
2015-06-12 18:17 ` [PATCH 03/10] x86/intel_rapl: Modify hot cpu notification handling for RAPL Vikas Shivappa
2015-06-12 18:17 ` [PATCH 04/10] x86/intel_rdt: Cache Allocation documentation and cgroup usage guide Vikas Shivappa
2015-06-12 18:17 ` [PATCH 05/10] x86/intel_rdt: Add support for Cache Allocation detection Vikas Shivappa
2015-06-15 12:48   ` Peter Zijlstra
2015-06-15 17:04     ` Vikas Shivappa
2015-06-12 18:17 ` [PATCH 06/10] x86/intel_rdt: Add new cgroup and Class of service management Vikas Shivappa
2015-06-12 18:17 ` [PATCH 07/10] x86/intel_rdt: Add support for cache bit mask management Vikas Shivappa
2015-06-12 18:17 ` [PATCH 08/10] x86/intel_rdt: Implement scheduling support for Intel RDT Vikas Shivappa
2015-06-12 18:17 ` [PATCH 09/10] x86/intel_rdt: Hot cpu support for Cache Allocation Vikas Shivappa
2015-06-16  8:52   ` Thomas Gleixner [this message]
2015-06-16 19:01     ` Vikas Shivappa
2015-06-16 19:25       ` Thomas Gleixner
2015-06-19 20:42         ` Vikas Shivappa
2015-06-12 18:17 ` [PATCH 10/10] x86/intel_rdt: Intel haswell Cache Allocation enumeration Vikas Shivappa
2015-06-15 14:05   ` Peter Zijlstra
2015-06-15 21:44     ` Vikas Shivappa
2015-06-16  8:23       ` Thomas Gleixner
2015-06-16  9:18       ` Peter Zijlstra
2015-06-17 16:23         ` Vikas Shivappa
  -- strict thread matches above, loose matches on Subject: below --
2015-06-23 22:56 [PATCH V10 00/10] New cpumask API and Intel Cache Allocation support Vikas Shivappa
2015-06-23 22:56 ` [PATCH 09/10] x86/intel_rdt: Hot cpu support for Cache Allocation Vikas Shivappa
2015-06-24  8:21   ` Thomas Gleixner
2015-06-24 21:15     ` Vikas Shivappa
2015-06-05  0:01 [PATCH V8 00/10] New cpumask API and Intel Cache Allocation support Vikas Shivappa
2015-06-05  0:01 ` [PATCH 09/10] x86/intel_rdt: Hot cpu support for Cache Allocation Vikas Shivappa
2015-06-03 19:09 [PATCH V8 00/10] New cpumask API and Intel Cache Allocation support Vikas Shivappa
2015-06-03 19:10 ` [PATCH 09/10] x86/intel_rdt: Hot cpu support for Cache Allocation Vikas Shivappa

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=alpine.DEB.2.11.1506161046450.4120@nanos \
    --to=tglx@linutronix.de \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rdt@eclists.intel.com \
    --cc=matt.fleming@intel.com \
    --cc=mingo@kernel.org \
    --cc=peterz@infradead.org \
    --cc=vikas.shivappa@intel.com \
    --cc=vikas.shivappa@linux.intel.com \
    --cc=will.auld@intel.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
all inboxes | Powered by JetHome®