Re: [PATCH 0/5] v2: block subsystem refcounter conversions

From	Christoph Hellwig <hch@infradead.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 0/5] v2: block subsystem refcounter conversions
Date	2017-04-21 13:00 +0200
Message-ID	<tyEs9-4NC-15@gated-at.bofh.it> (permalink)
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On Thu, Apr 20, 2017 at 11:33:19AM -0700, Eric Biggers wrote:
> Like I suggested months ago, how about doing an efficient implementation of
> refcount_t which doesn't use the bloated cmpxchg loop?  Then there would be no
> need for endless performance arguments.  In fact, in PaX there are already
> example implementations for several architectures.  It's unfortunate that
> they're still being ignored for some reason.

Yes.  I will also NAK other conversions until this is done, which is a
bit sad as the recount_t API itself is very useful.

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[PATCH 0/5] v2: block subsystem refcounter conversions Elena Reshetova <elena.reshetova@intel.com> - 2017-04-20 13:30 +0200
  [PATCH 2/5] block: convert blk_queue_tag.refcnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-04-20 13:40 +0200
  [PATCH 3/5] block: convert blkcg_gq.refcnt from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-04-20 13:40 +0200
  Re: [PATCH 0/5] v2: block subsystem refcounter conversions Christoph Hellwig <hch@infradead.org> - 2017-04-20 16:00 +0200
    RE: [PATCH 0/5] v2: block subsystem refcounter conversions "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-04-20 18:20 +0200
      Re: [PATCH 0/5] v2: block subsystem refcounter conversions Eric Biggers <ebiggers3@gmail.com> - 2017-04-20 20:40 +0200
        RE: [PATCH 0/5] v2: block subsystem refcounter conversions "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-04-21 13:00 +0200
          Re: [PATCH 0/5] v2: block subsystem refcounter conversions Jens Axboe <axboe@kernel.dk> - 2017-04-21 16:10 +0200
            Re: [PATCH 0/5] v2: block subsystem refcounter conversions Jens Axboe <axboe@kernel.dk> - 2017-04-21 19:10 +0200
            Re: [PATCH 0/5] v2: block subsystem refcounter conversions Peter Zijlstra <peterz@infradead.org> - 2017-04-21 19:10 +0200
          Re: [PATCH 0/5] v2: block subsystem refcounter conversions Kees Cook <keescook@chromium.org> - 2017-04-21 21:30 +0200
          Re: [PATCH 0/5] v2: block subsystem refcounter conversions Eric Biggers <ebiggers3@gmail.com> - 2017-04-21 22:00 +0200
            Re: [PATCH 0/5] v2: block subsystem refcounter conversions Kees Cook <keescook@chromium.org> - 2017-04-21 22:30 +0200
              Re: [PATCH 0/5] v2: block subsystem refcounter conversions James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-04-21 23:30 +0200
                Re: [PATCH 0/5] v2: block subsystem refcounter conversions Kees Cook <keescook@chromium.org> - 2017-04-21 23:40 +0200
                Re: [PATCH 0/5] v2: block subsystem refcounter conversions James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-04-22 00:10 +0200
        Re: [PATCH 0/5] v2: block subsystem refcounter conversions Christoph Hellwig <hch@infradead.org> - 2017-04-21 13:00 +0200

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