linux-stable.git/arch/microblaze/include/asm, branch linux-2.6.31.y Linux kernel stable tree microblaze: use the generic ack_bad_irq implementation 2009-08-18T08:33:29+00:00 Christoph Hellwig hch@lst.de 2009-08-06T21:00:38+00:00 6b99ecec25c8fd501e74306f5d23dd0365065e2a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Michal Simek <monstr@monstr.eu> 
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michal Simek <monstr@monstr.eu>
Merge branch 'fixes-for-linus' of git://git.monstr.eu/linux-2.6-microblaze 2009-07-27T19:18:27+00:00 Linus Torvalds torvalds@linux-foundation.org 2009-07-27T19:18:27+00:00 6a31d4aeab85a02f9a57ca37b935054393daa794 * 'fixes-for-linus' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Makefile cleanup microblaze: Typo fix for cpu param inconsistency microblaze: Add support for R_MICROBLAZE_64_NONE microblaze: Get module loading working microblaze: remove sys_ipc microblaze: Support unaligned address for put/get_user macros microblaze: Detect new Microblaze 7.20 versions microblaze: Fix do_page_fault for no context microblaze: Add _PAGE_FILE macros to pgtable.h microblaze: Fix put_user macro for 64bits arguments microblaze: Clear print messages for DTB passing via r7 microblaze: Not to clear r7 after copying DTB to kernel microblaze: Add messages about FDT blob microblaze: Final support for statically linked DTB microblaze: remove duplicated #include microblaze: Define tlb_flush macro 
* 'fixes-for-linus' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Makefile cleanup
  microblaze: Typo fix for cpu param inconsistency
  microblaze: Add support for R_MICROBLAZE_64_NONE
  microblaze: Get module loading working
  microblaze: remove sys_ipc
  microblaze: Support unaligned address for put/get_user macros
  microblaze: Detect new Microblaze 7.20 versions
  microblaze: Fix do_page_fault for no context
  microblaze: Add _PAGE_FILE macros to pgtable.h
  microblaze: Fix put_user macro for 64bits arguments
  microblaze: Clear print messages for DTB passing via r7
  microblaze: Not to clear r7 after copying DTB to kernel
  microblaze: Add messages about FDT blob
  microblaze: Final support for statically linked DTB
  microblaze: remove duplicated #include
  microblaze: Define tlb_flush macro
mm: Pass virtual address to [__]p{te,ud,md}_free_tlb() 2009-07-27T19:10:38+00:00 Benjamin Herrenschmidt benh@kernel.crashing.org 2009-07-22T05:44:28+00:00 9e1b32caa525cb236e80e9c671e179bcecccc657 mm: Pass virtual address to [__]p{te,ud,md}_free_tlb() Upcoming paches to support the new 64-bit "BookE" powerpc architecture will need to have the virtual address corresponding to PTE page when freeing it, due to the way the HW table walker works. Basically, the TLB can be loaded with "large" pages that cover the whole virtual space (well, sort-of, half of it actually) represented by a PTE page, and which contain an "indirect" bit indicating that this TLB entry RPN points to an array of PTEs from which the TLB can then create direct entries. Thus, in order to invalidate those when PTE pages are deleted, we need the virtual address to pass to tlbilx or tlbivax instructions. The old trick of sticking it somewhere in the PTE page struct page sucks too much, the address is almost readily available in all call sites and almost everybody implemets these as macros, so we may as well add the argument everywhere. I added it to the pmd and pud variants for consistency. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: David Howells <dhowells@redhat.com> [MN10300 & FRV] Acked-by: Nick Piggin <npiggin@suse.de> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()

Upcoming paches to support the new 64-bit "BookE" powerpc architecture
will need to have the virtual address corresponding to PTE page when
freeing it, due to the way the HW table walker works.

Basically, the TLB can be loaded with "large" pages that cover the whole
virtual space (well, sort-of, half of it actually) represented by a PTE
page, and which contain an "indirect" bit indicating that this TLB entry
RPN points to an array of PTEs from which the TLB can then create direct
entries. Thus, in order to invalidate those when PTE pages are deleted,
we need the virtual address to pass to tlbilx or tlbivax instructions.

The old trick of sticking it somewhere in the PTE page struct page sucks
too much, the address is almost readily available in all call sites and
almost everybody implemets these as macros, so we may as well add the
argument everywhere. I added it to the pmd and pud variants for consistency.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David Howells <dhowells@redhat.com> [MN10300 & FRV]
Acked-by: Nick Piggin <npiggin@suse.de>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
microblaze: Add _PAGE_FILE macros to pgtable.h 2009-07-27T05:39:54+00:00 Michal Simek monstr@monstr.eu 2009-07-15T11:39:35+00:00 f14d6f7c31c73a902a6b567dc719128e74603902 We need to define _PAGE_FILE macro and change pte functions. Microblaze use the same MMU as PowerPC that's why we define _PAGE_FILE in the same style. This change fixed remap_file_pages01 LTP test. Signed-off-by: Michal Simek <monstr@monstr.eu> 
We need to define _PAGE_FILE macro and change pte
functions. Microblaze use the same MMU as PowerPC
that's why we define _PAGE_FILE in the same style.
This change fixed remap_file_pages01 LTP test.

Signed-off-by: Michal Simek <monstr@monstr.eu>
microblaze: Fix put_user macro for 64bits arguments 2009-07-27T05:39:54+00:00 Michal Simek monstr@monstr.eu 2009-07-13T14:46:54+00:00 7bcb63b21327427b130edeb6e6ad44ee260b3043 For 64bits arguments gcc caused that put_user macro works with wrong value because of optimalization. Adding volatile caused that gcc not optimized it. It is possible to use (as Blackfin do) two put_user macros with 32bits arguments but there is one more instruction which is due to duplication zero return value which is called put_user_asm macro. Signed-off-by: Michal Simek <monstr@monstr.eu> 
For 64bits arguments gcc caused that put_user macro
works with wrong value because of optimalization.
Adding volatile caused that gcc not optimized it.

It is possible to use (as Blackfin do) two put_user
macros with 32bits arguments but there is one more
instruction which is due to duplication zero return
value which is called put_user_asm macro.

Signed-off-by: Michal Simek <monstr@monstr.eu>
microblaze: Final support for statically linked DTB 2009-07-27T05:39:53+00:00 John Williams john.williams@petalogix.com 2009-06-22T04:02:09+00:00 909964ec89ba466d75d53250d5738d1891cc1a3d If r7 is zero at kernel boot, or does not point to a valid DTB, then we fall back to a DTB (assumed to be) linked statically in the kernel, instead of blindly copying bogus cruft into the kernel DTB memory region Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu> 
If r7 is zero at kernel boot, or does not point to a valid DTB, then
we fall back to a DTB (assumed to be) linked statically in the kernel, instead
of blindly copying bogus cruft into the kernel DTB memory region

Signed-off-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
microblaze: remove duplicated #include 2009-07-27T05:39:53+00:00 Huang Weiyi weiyi.huang@gmail.com 2009-07-11T01:32:08+00:00 1170902b343053f50d4caf8ec2aa745fd0ce5c84 Remove duplicated #include('s) in arch/microblaze/include/asm/io.h Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Michal Simek <monstr@monstr.eu> 
Remove duplicated #include('s) in
  arch/microblaze/include/asm/io.h

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
microblaze: Define tlb_flush macro 2009-07-27T05:39:53+00:00 Michal Simek monstr@monstr.eu 2009-07-09T09:33:39+00:00 efffde36d20613d91a5ea9529b03f477077f41ea This fix remove bug which we had till now in all Microblaze MMU code. Primary tested on mmap01 LTP test. We forget to flush invalid tlb which were changed - we used them and there were wrong old data which wasn't correct. Signed-off-by: Michal Simek <monstr@monstr.eu> 
This fix remove bug which we had till now in all
Microblaze MMU code. Primary tested on mmap01 LTP test.
We forget to flush invalid tlb which were changed - we
used them and there were wrong old data which wasn't correct.

Signed-off-by: Michal Simek <monstr@monstr.eu>
sched: INIT_PREEMPT_COUNT 2009-07-10T21:24:05+00:00 Peter Zijlstra a.p.zijlstra@chello.nl 2009-07-10T12:57:56+00:00 c99e6efe1ba04561e7d93a81f0be07e37427e835 Pull the initial preempt_count value into a single definition site. Maintainers for: alpha, ia64 and m68k, please have a look, your arch code is funny. The header magic is a bit odd, but similar to the KERNEL_DS one, CPP waits with expanding these macros until the INIT_THREAD_INFO macro itself is expanded, which is in arch/*/kernel/init_task.c where we've already included sched.h so we're good. Cc: tony.luck@intel.com Cc: rth@twiddle.net Cc: geert@linux-m68k.org Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
Pull the initial preempt_count value into a single
definition site.

Maintainers for: alpha, ia64 and m68k, please have a look,
your arch code is funny.

The header magic is a bit odd, but similar to the KERNEL_DS
one, CPP waits with expanding these macros until the
INIT_THREAD_INFO macro itself is expanded, which is in
arch/*/kernel/init_task.c where we've already included
sched.h so we're good.

Cc: tony.luck@intel.com
Cc: rth@twiddle.net
Cc: geert@linux-m68k.org
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
microblaze: Wire up new syscalls 2009-07-06T08:27:01+00:00 Michal Simek monstr@monstr.eu 2009-07-01T13:32:14+00:00 4ae78338157a1fe2d7a398d86bb9f9043d600d2b Wire up new syscalls rt_tgsigqueueinfo and perf_counter_open. Signed-off-by: Michal Simek <monstr@monstr.eu> 
Wire up new syscalls rt_tgsigqueueinfo and perf_counter_open.

Signed-off-by: Michal Simek <monstr@monstr.eu>