linux-stable.git/arch/xtensa/include/asm, branch v3.11.2 Linux kernel stable tree Merge tag 'xtensa-next-20130710' of git://github.com/czankel/xtensa-linux 2013-07-11T19:30:33+00:00 Linus Torvalds torvalds@linux-foundation.org 2013-07-11T19:30:33+00:00 d4d1cda6ef48a99dee5c0f3334a556845e84dd92 Pull Xtensa updates from Chris Zankel. * tag 'xtensa-next-20130710' of git://github.com/czankel/xtensa-linux: (22 commits) xtensa: remove the second argument of __bio_kmap_atomic() xtensa: add static function tracer support xtensa: Flat DeviceTree copy not future-safe xtensa: check TLB sanity on return to userspace xtensa: adjust boot parameters address when INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is selected xtensa: bootparams: fix typo xtensa: tell git to ignore generated .dtb files xtensa: ccount based sched_clock xtensa: ccount based clockevent implementation xtensa: consolidate ccount access routines xtensa: cleanup ccount frequency tracking xtensa: timex.h: remove unused symbols xtensa: tell git to ignore copied zlib source files xtensa: fix section mismatch in pcibios_fixup_bus xtensa: ISS: fix section mismatch in iss_net_setup arch: xtensa: include: asm: compiling issue, need cmpxchg64() defined. xtensa: xtfpga: fix section mismatch xtensa: remove unused platform_init_irq() xtensa: tell git to ignore generated files xtensa: flush TLB entries for pages of non-current mm correctly ... 
Pull Xtensa updates from Chris Zankel.

* tag 'xtensa-next-20130710' of git://github.com/czankel/xtensa-linux: (22 commits)
  xtensa: remove the second argument of __bio_kmap_atomic()
  xtensa: add static function tracer support
  xtensa: Flat DeviceTree copy not future-safe
  xtensa: check TLB sanity on return to userspace
  xtensa: adjust boot parameters address when INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is selected
  xtensa: bootparams: fix typo
  xtensa: tell git to ignore generated .dtb files
  xtensa: ccount based sched_clock
  xtensa: ccount based clockevent implementation
  xtensa: consolidate ccount access routines
  xtensa: cleanup ccount frequency tracking
  xtensa: timex.h: remove unused symbols
  xtensa: tell git to ignore copied zlib source files
  xtensa: fix section mismatch in pcibios_fixup_bus
  xtensa: ISS: fix section mismatch in iss_net_setup
  arch: xtensa: include: asm: compiling issue, need cmpxchg64() defined.
  xtensa: xtfpga: fix section mismatch
  xtensa: remove unused platform_init_irq()
  xtensa: tell git to ignore generated files
  xtensa: flush TLB entries for pages of non-current mm correctly
  ...
xtensa: add static function tracer support 2013-07-08T08:18:57+00:00 Max Filippov jcmvbkbc@gmail.com 2013-05-24T03:02:25+00:00 478ba61afccd3a4d7ca662cadff1d35d183fe67d Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net> 
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: bootparams: fix typo 2013-07-08T08:18:55+00:00 Baruch Siach baruch@tkos.co.il 2013-06-06T11:23:37+00:00 661b40b0362c16b9969bf018636fb60454f62ee5 Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net> 
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: consolidate ccount access routines 2013-07-08T08:11:37+00:00 Baruch Siach baruch@tkos.co.il 2013-06-17T08:29:44+00:00 8102f47ab5fcffc50f3ff94ca9b9073c12c18cc7 Use get_ccount everywhere; remove xtensa_get_ccount. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net> 
Use get_ccount everywhere; remove xtensa_get_ccount.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: cleanup ccount frequency tracking 2013-07-08T08:11:37+00:00 Baruch Siach baruch@tkos.co.il 2013-06-17T08:29:43+00:00 e504c4b6076d9ec1caccaac65803fe3fc29afec8 Remove unused nsec_per_ccount, and rename ccount_per_jiffy to ccount_preq. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net> 
Remove unused nsec_per_ccount, and rename ccount_per_jiffy to ccount_preq.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: timex.h: remove unused symbols 2013-07-08T08:11:36+00:00 Baruch Siach baruch@tkos.co.il 2013-06-17T08:29:42+00:00 ed9dfed62c6c057c1c51295d4373ae55c9284a10 Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net> 
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Chris Zankel <chris@zankel.net>
consolidate io_remap_pfn_range definitions 2013-06-29T08:46:35+00:00 Al Viro viro@zeniv.linux.org.uk 2013-05-11T16:13:10+00:00 40d158e61840fbbe23be3f37302a3ca237c15491 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
arch: xtensa: include: asm: compiling issue, need cmpxchg64() defined. 2013-06-05T17:14:21+00:00 Chen Gang gang.chen@asianux.com 2013-05-27T11:57:01+00:00 b5514786ec3257c8703fc7f29bdf98b42253ee39 When compiling with 'allmodconfig', some of drivers need cmpxchg64(), xtensa does not supply 64-bit implementation for 'xchg', so use the 'generic' implementation. e.g. (for next-20130527 tree): drivers/block/blockconsole.c:164:2: error: implicit declaration of function ‘cmpxchg64’ [-Werror=implicit-function-declaration] Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net> 
When compiling with 'allmodconfig', some of drivers need cmpxchg64(),
xtensa does not supply 64-bit implementation for 'xchg', so use the
'generic' implementation.

e.g. (for next-20130527 tree):
  drivers/block/blockconsole.c:164:2: error: implicit declaration of function ‘cmpxchg64’ [-Werror=implicit-function-declaration]

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: remove unused platform_init_irq() 2013-06-05T17:14:20+00:00 Baruch Siach baruch@tkos.co.il 2013-05-27T09:23:52+00:00 214fe80fcba6df6be28d6ea66762d203d84842c4 Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net> 
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: fix TLB multihit exceptions 2013-05-20T18:09:13+00:00 Chris Zankel chris@zankel.net 2013-05-20T18:09:13+00:00 7711ece9b31f0f3cf15ca16005dfd78988ea8f7e - set _PAGE_USER in the pte_clear to avoid having TLB multihit exceptions (see following threads for more details); http://lists.linux-xtensa.org/pipermail/linux-xtensa/Week-of-Mon-20130401/ http://lists.linux-xtensa.org/pipermail/linux-xtensa/Week-of-Mon-20130408/ - improved documentation of the PTE layout - fix PTE mapping for present and 'prot_none' pages for T1050 hw and earlier - fix pte_file offset and size - add check for the correct number of bits for swap type CC: piet.delaney@gmail.com CC: jcmvbkbc@gmail.com Signed-off-by: Chris Zankel <chris@zankel.net> 
- set _PAGE_USER in the pte_clear to avoid having TLB multihit exceptions
  (see following threads for more details);
  http://lists.linux-xtensa.org/pipermail/linux-xtensa/Week-of-Mon-20130401/
  http://lists.linux-xtensa.org/pipermail/linux-xtensa/Week-of-Mon-20130408/
- improved documentation of the PTE layout
- fix PTE mapping for present and 'prot_none' pages for T1050 hw and earlier
- fix pte_file offset and size
- add check for the correct number of bits for swap type

CC: piet.delaney@gmail.com
CC: jcmvbkbc@gmail.com
Signed-off-by: Chris Zankel <chris@zankel.net>