Hi Dave,

On 5/12/20 6:36 PM, Dave Martin wrote:

A bunch of updates to the prctl(2) man page to fill in the missing
prctls (mostly) up to Linux 5.6 (along with a few other tweaks fixes).

People not Cc'd on the whole series can find the whole series at
https://lore.kernel.org/linux-man/ .

Patches:

 * Patches 1-6 and 8-9 are rather trivial optional tweaks and fixes
   that don't make substantive changes.  I can live with some of these
   being dropped.

 * Patch 7 (removal of the MPX prctls) could use an Ack, but should be
   uncontroversial.

 * Patches 10-11 cover recent extensions to the speculation control
   prctls.

 * Patch 12 adds one particular case Errors for EINVAL, applicable to
   all arch-specific prctls.  I've not tried too hard to be 100%
   comprehensive with the error conditions, since the list in its
   current form looks in need of a major overhaul.

 * Patches 13-14 add the new arm64-specific prctls.
   (PR_SET_TAGGED_ADDR_CTRL requires a bit more discussion and will be
   posted separately.)

Thanks. This is great!

Maintainer notes:

 * I'm *asssuming* that the datestamps in .TH are automatically
   updated by maintainer scripts, since maintaining them by hand would
   interact very badly with rebase.  If needed I can go update them by
   hand though.

 * Similarly, in the days of git (and because I see no recent entries)
   I'm assuming that in-file changelogs no longer need to be updated.

Correct.

   Again, I'm happy to do that if needed.

(No need.)

Except as noted below, patches have been applied:

Dave Martin (14):
  prctl.2: tfix clarify that prctl can apply to threads
  prctl.2: Add health warning
  prctl.2: tfix mis-description of thread ID values in procfs
  prctl.2: srcfix add comments for navigation
  prctl.2: tfix listing order of prctls
  prctl.2: ffix quotation mark tweaks
  prctl.2: Document removal of Intel MPX prctls
  prctl.2: Work around bogus constant "maxsig" in PR_SET_PDEATHSIG
  prctl.2: tfix minor punctuation in SPECULATION_CTRL prctls
  prctl.2: Add PR_SPEC_INDIRECT_BRANCH for SPECULATION_CTRL prctls

Applied, but not yet pushed.

  prctl.2: Add PR_SPEC_DISABLE_NOEXEC for SPECULATION_CTRL prctls

Applied, but not yet pushed.

  prctl.2: Clarify the unsupported hardware case of EINVAL
  prctl.2: Add SVE prctls (arm64)

Will had comments. I'm presuming there will be a v2 of this patch.

  prctl.2: Add PR_PAC_RESET_KEYS (arm64)

Will had comments. I'm presuming there will be a v2 of this patch.

Cheers,

Michael

-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/

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