linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Thomas Gleixner <tglx@linutronix.de>
To: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Tony Luck <tony.luck@intel.com>,
	Lu Baolu <baolu.lu@linux.intel.com>,
	Joerg Roedel <joro@8bytes.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Jacob Pan <jacob.jun.pan@linux.intel.com>,
	Ashok Raj <ashok.raj@intel.com>,
	Ravi V Shankar <ravi.v.shankar@intel.com>,
	iommu@lists.linux-foundation.org, x86 <x86@kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 05/11] iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit
Date: Fri, 28 Jan 2022 15:53:42 +0100	[thread overview]
Message-ID: <87zgnf29op.ffs@tglx> (raw)
In-Reply-To: <YfNVBzN67rSu/QcE@otcwcpicx3.sc.intel.com>

On Thu, Jan 27 2022 at 18:42, Fenghua Yu wrote:
> On Wed, Jan 26, 2022 at 10:38:04PM +0100, Thomas Gleixner wrote:
>> Against Linus tree please so that the bugfix applies.
>> 
>> > I will fold the following patch into patch #5. The patch #11 (the doc patch)
>> > also needs to remove one paragraph talking about refcount.
>> >
>> > So I will send the whole patch set with the following changes:
>> > 1. One new bug fix patch (the above patch)
>
> When I study your above aux_domain bug fix path, I find more aux_domain bugs.
> But then I find aux_domain will be completely removed because all aux_domain
> related callbacks are not called and are dead code (no wonder there are
> so many bugs in aux_domain). Please see this series: https://lore.kernel.org/linux-iommu/20220124071103.2097118-4-baolu.lu@linux.intel.com/
> For the series, Baolu confirms that he is "pretty sure that should be part
> of v5.18". And I don't find the series calls any IOASID function after
> removing the aux_domain code.
>
> So that means we don't need to fix those issues in the dead aux_domain
> code any more because it will be completely removed in 5.18, right?
>
> If you agree, I will not include the aux_domain fix patch or any other
> aux_domain fix patches in the up-coming v3. Is that OK?

Fair enough.


  reply	other threads:[~2022-01-28 14:53 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-17 22:01 [PATCH v2 00/11] Re-enable ENQCMD and PASID MSR Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 01/11] iommu/sva: Rename CONFIG_IOMMU_SVA_LIB to CONFIG_IOMMU_SVA Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 02/11] mm: Change CONFIG option for mm->pasid field Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 03/11] iommu/ioasid: Introduce a helper to check for valid PASIDs Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 04/11] kernel/fork: Initialize mm's PASID Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 05/11] iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit Fenghua Yu
2022-01-24 20:21   ` Thomas Gleixner
2022-01-24 20:33     ` Fenghua Yu
2022-01-24 20:36     ` Thomas Gleixner
2022-01-24 20:52       ` Fenghua Yu
2022-01-24 20:55         ` Thomas Gleixner
2022-01-25 15:18           ` Fenghua Yu
2022-01-26 14:23             ` Thomas Gleixner
2022-01-26 17:36               ` Fenghua Yu
2022-01-26 21:38                 ` Thomas Gleixner
2022-01-28  2:42                   ` Fenghua Yu
2022-01-28 14:53                     ` Thomas Gleixner [this message]
2021-12-17 22:01 ` [PATCH v2 06/11] x86/fpu: Clear PASID when copying fpstate Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 07/11] sched: Define and initialize a flag to identify valid PASID in the task Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 08/11] x86/traps: Demand-populate PASID MSR via #GP Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 09/11] x86/cpufeatures: Re-enable ENQCMD Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 10/11] tools/objtool: Check for use of the ENQCMD instruction in the kernel Fenghua Yu
2021-12-17 22:57   ` Josh Poimboeuf
2021-12-27 17:50     ` Fenghua Yu
2021-12-17 22:01 ` [PATCH v2 11/11] docs: x86: Change documentation for SVA (Shared Virtual Addressing) Fenghua Yu
2021-12-27 17:52 ` [PATCH v2 00/11] Re-enable ENQCMD and PASID MSR Fenghua Yu

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=87zgnf29op.ffs@tglx \
    --to=tglx@linutronix.de \
    --cc=ashok.raj@intel.com \
    --cc=baolu.lu@linux.intel.com \
    --cc=bp@alien8.de \
    --cc=dave.hansen@linux.intel.com \
    --cc=fenghua.yu@intel.com \
    --cc=iommu@lists.linux-foundation.org \
    --cc=jacob.jun.pan@linux.intel.com \
    --cc=joro@8bytes.org \
    --cc=jpoimboe@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=mingo@redhat.com \
    --cc=peterz@infradead.org \
    --cc=ravi.v.shankar@intel.com \
    --cc=tony.luck@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;
as well as URLs for NNTP newsgroup(s).