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  1. 13 12月, 2008 1 次提交
    • R
      cpumask: centralize cpu_online_map and cpu_possible_map · 98a79d6a
      由 Rusty Russell 提交于 
      Impact: cleanup

Each SMP arch defines these themselves.  Move them to a central
location.

Twists:
1) Some archs (m32, parisc, s390) set possible_map to all 1, so we add a
   CONFIG_INIT_ALL_POSSIBLE for this rather than break them.

2) mips and sparc32 '#define cpu_possible_map phys_cpu_present_map'.
   Those archs simply have phys_cpu_present_map replaced everywhere.

3) Alpha defined cpu_possible_map to cpu_present_map; this is tricky
   so I just manipulate them both in sync.

4) IA64, cris and m32r have gratuitous 'extern cpumask_t cpu_possible_map'
   declarations.
Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
Reviewed-by: NGrant Grundler <grundler@parisc-linux.org>
Tested-by: NTony Luck <tony.luck@intel.com>
Acked-by: NIngo Molnar <mingo@elte.hu>
Cc: Mike Travis <travis@sgi.com>
Cc: ink@jurassic.park.msu.ru
Cc: rmk@arm.linux.org.uk
Cc: starvik@axis.com
Cc: tony.luck@intel.com
Cc: takata@linux-m32r.org
Cc: ralf@linux-mips.org
Cc: grundler@parisc-linux.org
Cc: paulus@samba.org
Cc: schwidefsky@de.ibm.com
Cc: lethal@linux-sh.org
Cc: wli@holomorphy.com
Cc: davem@davemloft.net
Cc: jdike@addtoit.com
Cc: mingo@redhat.com
      98a79d6a
  3. 01 12月, 2008 2 次提交
  5. 23 10月, 2008 1 次提交
  7. 20 10月, 2008 1 次提交
  9. 17 10月, 2008 2 次提交
  11. 16 10月, 2008 1 次提交
  13. 07 10月, 2008 2 次提交
  15. 09 9月, 2008 1 次提交
    • M
      kernel/cpu.c: create a CPU_STARTING cpu_chain notifier · e545a614
      由 Manfred Spraul 提交于 
      Right now, there is no notifier that is called on a new cpu, before the new
cpu begins processing interrupts/softirqs.
Various kernel function would need that notification, e.g. kvm works around
by calling smp_call_function_single(), rcu polls cpu_online_map.

The patch adds a CPU_STARTING notification. It also adds a helper function
that sends the message to all cpu_chain handlers.

Tested on x86-64.
All other archs are untested. Especially on sparc, I'm not sure if I got
it right.
Signed-off-by: NManfred Spraul <manfred@colorfullife.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      e545a614
  17. 25 8月, 2008 1 次提交
  19. 27 7月, 2008 1 次提交
    • A
      [PATCH] sanitize __user_walk_fd() et.al. · 2d8f3038
      由 Al Viro 提交于 
      * do not pass nameidata; struct path is all the callers want.
* switch to new helpers:
	user_path_at(dfd, pathname, flags, &path)
	user_path(pathname, &path)
	user_lpath(pathname, &path)
	user_path_dir(pathname, &path)  (fail if not a directory)
  The last 3 are trivial macro wrappers for the first one.
* remove nameidata in callers.
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
      2d8f3038
  21. 05 7月, 2008 1 次提交
  23. 26 6月, 2008 3 次提交
  25. 21 6月, 2008 2 次提交
    • I
      alpha: resurrect Cypress IDE quirk · a744e016
      由 Ivan Kokshaysky 提交于 
      Which was removed in the hope that generic legacy IDE quirk in
drivers/pci/probe.c is sufficient for Cypress IDE.
It isn't, as this controller has non-standard BAR layout:
secondary channel registers are in the BAR0-1 of the second
PCI function - not in the BAR2-3 of the same function, as the
generic quirk routine assumes.
Signed-off-by: NIvan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
      a744e016
    • I
      alpha: fix compile failures with gcc-4.3 (bug #10438) · d559d4a2
      由 Ivan Kokshaysky 提交于 
      Vast majority of these build failures are gcc-4.3 warnings
about static functions and objects being referenced from
non-static (read: "extern inline") functions, in conjunction
with our -Werror.

We cannot just convert "extern inline" to "static inline",
as people keep suggesting all the time, because "extern inline"
logic is crucial for generic kernel build.
So
- just make sure that all callees of critical "extern inline"
  functions are also "extern inline";
- use "static inline", wherever it's possible.

traps.c: work around gcc-4.3 being too smart about array
bounds-checking.

TODO: add "gnu_inline" attribute to all our "extern inline"
functions to ensure desired behaviour with future compilers.
Signed-off-by: NIvan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
      d559d4a2
  27. 05 6月, 2008 1 次提交
    • M
      genirq: Expose default irq affinity mask (take 3) · 18404756
      由 Max Krasnyansky 提交于 
      Current IRQ affinity interface does not provide a way to set affinity
for the IRQs that will be allocated/activated in the future.
This patch creates /proc/irq/default_smp_affinity that lets users set
default affinity mask for the newly allocated IRQs. Changing the default
does not affect affinity masks for the currently active IRQs, they
have to be changed explicitly.

Updated based on Paul J's comments and added some more documentation.
Signed-off-by: NMax Krasnyansky <maxk@qualcomm.com>
Cc: pj@sgi.com
Cc: a.p.zijlstra@chello.nl
Cc: tglx@linutronix.de
Cc: rdunlap@xenotime.net
Cc: mingo@elte.hu
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
      18404756
  29. 17 5月, 2008 1 次提交
  31. 02 5月, 2008 1 次提交
  33. 29 4月, 2008 2 次提交
  35. 28 4月, 2008 3 次提交
  37. 24 4月, 2008 2 次提交
  39. 21 4月, 2008 1 次提交
  41. 17 4月, 2008 1 次提交
  43. 03 4月, 2008 1 次提交
  45. 14 3月, 2008 1 次提交
  47. 10 3月, 2008 1 次提交
  49. 05 3月, 2008 4 次提交
  51. 15 2月, 2008 2 次提交