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<title>user/sven/linux.git/Documentation/features, branch v5.4.43</title>
<subtitle>Linux Kernel
</subtitle>
<id>https://git.stealer.net/cgit.cgi/user/sven/linux.git/atom?h=v5.4.43</id>
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<updated>2019-09-17T23:22:26Z</updated>
<entry>
<title>Merge tag 'docs-5.4' of git://git.lwn.net/linux</title>
<updated>2019-09-17T23:22:26Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2019-09-17T23:22:26Z</published>
<link rel='alternate' type='text/html' href='https://git.stealer.net/cgit.cgi/user/sven/linux.git/commit/?id=7c672abc120a55f678e5571ae2ee93f06ca4d7f9'/>
<id>urn:sha1:7c672abc120a55f678e5571ae2ee93f06ca4d7f9</id>
<content type='text'>
Pull documentation updates from Jonathan Corbet:
 "It's a somewhat calmer cycle for docs this time, as the churn of the
  mass RST conversion is happily mostly behind us.

   - A new document on reproducible builds.

   - We finally got around to zapping the documentation for hardware
     support that was removed in 2004; one doesn't want to rush these
     things.

   - The usual assortment of fixes, typo corrections, etc"

* tag 'docs-5.4' of git://git.lwn.net/linux: (67 commits)
  Documentation: kbuild: Add document about reproducible builds
  docs: printk-formats: Stop encouraging use of unnecessary %h[xudi] and %hh[xudi]
  Documentation: Add "earlycon=sbi" to the admin guide
  doc:lock: remove reference to clever use of read-write lock
  devices.txt: improve entry for comedi (char major 98)
  docs: mtd: Update spi nor reference driver
  doc: arm64: fix grammar dtb placed in no attributes region
  Documentation: sysrq: don't recommend 'S' 'U' before 'B'
  mailmap: Update email address for Quentin Perret
  docs: ftrace: clarify when tracing is disabled by the trace file
  docs: process: fix broken link
  Documentation/arm/samsung-s3c24xx: Remove stray U+FEFF character to fix title
  Documentation/arm/sa1100/assabet: Fix 'make assabet_defconfig' command
  Documentation/arm/sa1100: Remove some obsolete documentation
  docs/zh_CN: update Chinese howto.rst for latexdocs making
  Documentation: virt: Fix broken reference to virt tree's index
  docs: Fix typo on pull requests guide
  kernel-doc: Allow anonymous enum
  Documentation: sphinx: Don't parse socket() as identifier reference
  Documentation: sphinx: Add missing comma to list of strings
  ...
</content>
</entry>
<entry>
<title>parisc: Update feature list</title>
<updated>2019-08-03T06:56:57Z</updated>
<author>
<name>Sven Schnelle</name>
<email>svens@stackframe.org</email>
</author>
<published>2019-07-23T20:37:53Z</published>
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<id>urn:sha1:c8bbbc67cb314981e7ba22af0bd703225f0add80</id>
<content type='text'>
Add jump labels to the list of supported features.

Signed-off-by: Sven Schnelle &lt;svens@stackframe.org&gt;
Signed-off-by: Helge Deller &lt;deller@gmx.de&gt;
</content>
</entry>
<entry>
<title>parisc/ftrace: Add KPROBES_ON_FTRACE</title>
<updated>2019-08-03T06:56:57Z</updated>
<author>
<name>Sven Schnelle</name>
<email>svens@stackframe.org</email>
</author>
<published>2019-07-23T20:37:52Z</published>
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<id>urn:sha1:52a22e6c27be9089fdd9c4e1857939f0dec8f57c</id>
<content type='text'>
Allow KPROBES to use the ftrace infrastructure on PA-RISC.

Signed-off-by: Sven Schnelle &lt;svens@stackframe.org&gt;
Signed-off-by: Helge Deller &lt;deller@gmx.de&gt;
</content>
</entry>
<entry>
<title>Documentation/features/locking: update lists</title>
<updated>2019-07-30T20:18:43Z</updated>
<author>
<name>Mark Rutland</name>
<email>mark.rutland@arm.com</email>
</author>
<published>2019-07-23T13:22:03Z</published>
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<id>urn:sha1:da422ade5c879355f7410859069ef4f957c303d4</id>
<content type='text'>
The locking feature lists don't match reality as of v5.3-rc1:

* arm64 moved to queued spinlocks in commit:
  c11090474d70590170cf5fa6afe85864ab494b37
  ("arm64: locking: Replace ticket lock implementation with qspinlock")

* xtensa moved to queued spinlocks and rwlocks in commit:
  579afe866f52adcd921272a224ab36733051059c
  ("xtensa: use generic spinlock/rwlock implementation")

* architecture-specific rwsem support was removed in commit:
  46ad0840b1584b92b5ff2cc3ed0b011dd6b8e0f1
  ("locking/rwsem: Remove arch specific rwsem files")

So update the feature lists accordingly, and remove the now redundant
rwsem-optimized list.

Signed-off-by: Mark Rutland &lt;mark.rutland@arm.com&gt;
Signed-off-by: Jonathan Corbet &lt;corbet@lwn.net&gt;
</content>
</entry>
<entry>
<title>Documentation/stackprotector: powerpc supports stack protector</title>
<updated>2019-06-14T20:44:43Z</updated>
<author>
<name>Bhupesh Sharma</name>
<email>bhsharma@redhat.com</email>
</author>
<published>2019-06-10T10:03:39Z</published>
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<id>urn:sha1:31753202325dd4f9bba27fbbad05f189881c60bc</id>
<content type='text'>
powerpc architecture (both 64-bit and 32-bit) supports stack protector
mechanism since some time now [see commit 06ec27aea9fc ("powerpc/64:
add stack protector support")].

Update stackprotector arch support documentation to reflect the same.

Cc: Michael Ellerman &lt;mpe@ellerman.id.au&gt;
Signed-off-by: Bhupesh Sharma &lt;bhsharma@redhat.com&gt;
Signed-off-by: Jonathan Corbet &lt;corbet@lwn.net&gt;
</content>
</entry>
<entry>
<title>Merge branch 'parisc-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux</title>
<updated>2019-05-08T02:34:17Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2019-05-08T02:34:17Z</published>
<link rel='alternate' type='text/html' href='https://git.stealer.net/cgit.cgi/user/sven/linux.git/commit/?id=d3511f53bb2475f2a4e8460bee5a1ae6dea2a433'/>
<id>urn:sha1:d3511f53bb2475f2a4e8460bee5a1ae6dea2a433</id>
<content type='text'>
Pull parisc updates from Helge Deller:
 "Many great new features, fixes and optimizations, including:

   - Convert page table updates to use per-pagetable spinlocks which
     overall improves performance on SMP machines a lot, by Mikulas
     Patocka

   - Kernel debugger (KGDB) support, by Sven Schnelle

   - KPROBES support, by Sven Schnelle

   - Lots of TLB lock/flush improvements, by Dave Anglin

   - Drop DISCONTIGMEM and switch to SPARSEMEM

   - Added JUMP_LABEL, branch runtime-patching support

   - Lots of other small speedups and cleanups, e.g. for QEMU, stack
     randomization, avoidance of name clashes, documentation updates,
     etc ..."

* 'parisc-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (28 commits)
  parisc: Add static branch and JUMP_LABEL feature
  parisc: Use PA_ASM_LEVEL in boot code
  parisc: Rename LEVEL to PA_ASM_LEVEL to avoid name clash with DRBD code
  parisc: Update huge TLB page support to use per-pagetable spinlock
  parisc: Use per-pagetable spinlock
  parisc: Allow live-patching of __meminit functions
  parisc: Add memory barrier to asm pdc and sync instructions
  parisc: Add memory clobber to TLB purges
  parisc: Use ldcw instruction for SMP spinlock release barrier
  parisc: Remove lock code to serialize TLB operations in pacache.S
  parisc: Switch from DISCONTIGMEM to SPARSEMEM
  parisc: enable wide mode early
  parisc: update feature lists
  parisc: Show n/a if product number not available
  parisc: remove unused flags parameter in __patch_text()
  doc: update kprobes supported architecture list
  parisc: Implement kretprobes
  parisc: remove kprobes.h from generic-y
  parisc: Implement kprobes
  parisc: add functions required by KPROBE_EVENTS
  ...
</content>
</entry>
<entry>
<title>Documentation/features/time: Mark m68k having modern-timekeeping</title>
<updated>2019-05-06T08:58:37Z</updated>
<author>
<name>Geert Uytterhoeven</name>
<email>geert@linux-m68k.org</email>
</author>
<published>2019-05-06T08:46:41Z</published>
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<id>urn:sha1:fdd20ec8786ab2950439c7e78871618f7e51f18b</id>
<content type='text'>
M68k no longer uses arch_gettimeoffset.

Signed-off-by: Geert Uytterhoeven &lt;geert@linux-m68k.org&gt;
</content>
</entry>
<entry>
<title>parisc: update feature lists</title>
<updated>2019-05-03T21:47:40Z</updated>
<author>
<name>Sven Schnelle</name>
<email>svens@stackframe.org</email>
</author>
<published>2019-04-09T20:05:24Z</published>
<link rel='alternate' type='text/html' href='https://git.stealer.net/cgit.cgi/user/sven/linux.git/commit/?id=75da60ff53fb030e12ac83cdef1da0464b289d1a'/>
<id>urn:sha1:75da60ff53fb030e12ac83cdef1da0464b289d1a</id>
<content type='text'>
Update lists to reflect that we have now KGDB and kretprobes
support.

Signed-off-by: Sven Schnelle &lt;svens@stackframe.org&gt;
Signed-off-by: Helge Deller &lt;deller@gmx.de&gt;
</content>
</entry>
<entry>
<title>doc: update kprobes supported architecture list</title>
<updated>2019-05-03T21:47:39Z</updated>
<author>
<name>Sven Schnelle</name>
<email>svens@stackframe.org</email>
</author>
<published>2019-04-09T17:30:29Z</published>
<link rel='alternate' type='text/html' href='https://git.stealer.net/cgit.cgi/user/sven/linux.git/commit/?id=376e5fd7ec341a4e9cee2bf64fb59285023056e3'/>
<id>urn:sha1:376e5fd7ec341a4e9cee2bf64fb59285023056e3</id>
<content type='text'>
Now that kprobes and kretprobes are implemented, update the list in
Documentation to reflect that.

Signed-off-by: Sven Schnelle &lt;svens@stackframe.org&gt;
Signed-off-by: Helge Deller &lt;deller@gmx.de&gt;
</content>
</entry>
<entry>
<title>Documentation/features: Add csky kernel features</title>
<updated>2019-01-07T14:22:16Z</updated>
<author>
<name>Guo Ren</name>
<email>ren_guo@c-sky.com</email>
</author>
<published>2019-01-04T03:17:33Z</published>
<link rel='alternate' type='text/html' href='https://git.stealer.net/cgit.cgi/user/sven/linux.git/commit/?id=8a5aaf97cc4876a9b61cb3b7c07128d4569ac536'/>
<id>urn:sha1:8a5aaf97cc4876a9b61cb3b7c07128d4569ac536</id>
<content type='text'>
      core/ cBPF-JIT             : TODO |
      core/ eBPF-JIT             : TODO |
      core/ generic-idle-thread  :  ok  |
      core/ jump-labels          : TODO |
      core/ tracehook            :  ok  |
     debug/ KASAN                : TODO |
     debug/ gcov-profile-all     : TODO |
     debug/ kgdb                 : TODO |
     debug/ kprobes-on-ftrace    : TODO |
     debug/ kprobes              : TODO |
     debug/ kretprobes           : TODO |
     debug/ optprobes            : TODO |
     debug/ stackprotector       : TODO |
     debug/ uprobes              : TODO |
     debug/ user-ret-profiler    : TODO |
        io/ dma-contiguous       :  ok  |
   locking/ cmpxchg-local        : TODO |
   locking/ lockdep              : TODO |
   locking/ queued-rwlocks       :  ok  |
   locking/ queued-spinlocks     : TODO |
   locking/ rwsem-optimized      : TODO |
      perf/ kprobes-event        : TODO |
      perf/ perf-regs            : TODO |
      perf/ perf-stackdump       : TODO |
     sched/ membarrier-sync-core : TODO |
     sched/ numa-balancing       :  ..  |
   seccomp/ seccomp-filter       : TODO |
      time/ arch-tick-broadcast  : TODO |
      time/ clockevents          :  ok  |
      time/ context-tracking     : TODO |
      time/ irq-time-acct        : TODO |
      time/ modern-timekeeping   :  ok  |
      time/ virt-cpuacct         : TODO |
        vm/ ELF-ASLR             : TODO |
        vm/ PG_uncached          : TODO |
        vm/ THP                  :  ..  |
        vm/ batch-unmap-tlb-flush: TODO |
        vm/ huge-vmap            : TODO |
        vm/ ioremap_prot         : TODO |
        vm/ numa-memblock        :  ..  |
        vm/ pte_special          : TODO |

Signed-off-by: Guo Ren &lt;ren_guo@c-sky.com&gt;
Cc: Arnd Bergmann &lt;arnd@arndb.de&gt;
</content>
</entry>
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