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Update the generic MIPS code. Highlights are oprofile for MIPS, initially for
the PMC-Sierra RM9000. We're also taking a significantly more aggressive
approach to the TLB exception handlers which now are runtime generated and
provide an upto 20% speedup on certain micro benchmarks.
From: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
This patch had fixed restore_sigcontext about MIPS.
Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Convert the unsafe signed (16bit) used_math to a safe and optimal
PF_USED_MATH
I might have broken arm, see the very first change in the patch to
asm-offsets.c, rest looks ok at first glance.
If you want used_math to return 0 or 1 (instead of 0 or PF_USED_MATH), just
s/!!// in the below patch and place !! in sched.h::*used_math()
accordingly after applying the patch, it should work just fine. Using !!
only when necessary as the below is optimal.
From: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
This patch had fixed restore_sigcontext/restore_sigcontext32 about MIPS.
Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Signed-off-by: Andrea Arcangeli <andrea@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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o General updates of MIPS to 2.6.10-rc2
o Remove the Baget platform due to lack of maintenance over several years.
Some of the drivers remain and will be removed in a separate patch.
o Remove the HP Laserjet platform. No user reports ever and no patches from
the original submitters made this port a neat hack - and a directory full
of clutter.
o SMP support for the PMC-Sierra.
Signed-Off-By: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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{set,clear}_child_tid initialized in copy_process() right after return from
copy_thread().
These vars are not used in cleanup path if copy_thread() fails.
grep -r _child_tid arch/ shows only ia64/kernel/asm-offsets.c,
so i blindly patched non i386 archs too.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: Rusty Russell <rusty@rustcorp.com.au>
1) Create an in_sched_functions() function in sched.c and make the
archs use it. (Two archs have wchan #if 0'd out: left them alone).
2) Move __sched from linux/init.h to linux/sched.h and add comment.
3) Rename __scheduling_functions_start_here/end_here to __sched_text_start/end.
Thanks to wli and Sam Ravnborg for clue donation.
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From: William Lee Irwin III <wli@holomorphy.com>
This addresses the issue with get_wchan() that the various functions acting
as scheduling-related primitives are not, in fact, contiguous in the text
segment. It creates an ELF section for scheduling primitives to be placed
in, and places currently-detected (i.e. skipped during stack decoding)
scheduling primitives and others like io_schedule() and down(), which are
currently missed by get_wchan() code, into this section also.
The net effects are more reliability of get_wchan()'s results and the new
ability, made use of by this code, to arbitrarily place scheduling
primitives in the source code without disturbing get_wchan()'s accuracy.
Suggestions by Arnd Bergmann and Matthew Wilcox regarding reducing the
invasiveness of the patch were incorporated during prior rounds of review.
I've at least tried to sweep all arches in this patch.
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From: Ralf Baechle <ralf@linux-mips.org>
Below following 125547 lines of patches, all to arch/mips and
include/asm-mips. I'm going to send the remaining stuff of which the one
or other bit may need to be discussed in smaller bits.
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Here's another MIPS update. The patch is huge because it completly
folds mips64 into mips, thereby eleminating 41010 lines of code.
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This contains all the generic 32-bit MIPS code, so all arch/mips/ and
include/asm-mips/ stuff.
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This patch replaces "loose" with "lose" where appropriate.
There remain 56 correct uses of "loose" in the 2.5 kernel source.
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- David Howells: abtract out "current->need_resched" as "need_resched()"
- Frank Davis: ide-tape update for bio
- various: header file fixups
- Jens Axboe: fix up bio/ide/highmem issues
- Kai Germaschewski: ISDN update
- Tim Waugh: parport update
- Patrik Mochel: initcall update
- Greg KH: USB and Compaq PCI hotplug updates
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- Christoph Hellwig: scsi_register_module cleanup
- Mikael Pettersson: apic.c LVTERR fixes
- Russell King: ARM update (including bio update for icside)
- Jens Axboe: more bio updates
- Al Viro: make ready to switch bread away from kdev_t..
- Davide Libenzi: scheduler cleanups
- Anders Gustafsson: LVM fixes for bio
- Richard Gooch: devfs update
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- Alan Cox: big driver/mips sync
- Andries Brouwer, Christoph Hellwig: more gendisk fixups
- Tobias Ringstrom: tulip driver workaround for DC21143 erratum
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- make sure "sync()" doesn't effectively lock up the machine by
overloading all the IO resources
- fix up some network memory allocations that don't wan tto wait on IO.
- merge with Alan (including MIPS update)
- Jeff Garzik: network driver updates.
- Al Viro: System V FS update (write capability, page cache, mondo cleanups)
- Kai Germaschewski: ISDN cleanups, TURBOPAM driver by Stelian Pop
- Ben Fennema: UDF update (time handling, i_blocks fix)
- Neil Brown: md error handling improvements, knfsd file handle compatibility
- Paul Mackerras: PPC update
- Jakub Jelinek: fix up kernel linker scripts to accept .rodata better
- Patrick Mochel: fix PME handling in pci_enable_wake()
- Chris Mason: reiserfs PF_MEMALLOC handling
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- David Miller: sparc rw semaphores moved over
- Alan Cox: yet more resyncs
- NIIBE Yutaka: Super-H driver update
- David Howells: more rw-sem cleanups, updates
- USB updates
- Al Viro: filesystem init cleanup
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- Jens: better ordering of requests when unable to merge
- Neil Brown: make md work as a module again (we cannot autodetect
in modules, not enough background information)
- Neil Brown: raid5 SMP locking cleanups
- Neil Brown: nfsd: handle Irix NFS clients named pipe behavior and
dentry leak fix
- maestro3 shutdown fix
- fix dcache hash calculation that could cause bad hashes under certain
circumstances (Dean Gaudet)
- David Miller: networking and sparc updates
- Jeff Garzik: include file cleanups
- Andy Grover: ACPI update
- Coda-fs error return fixes
- rth: alpha Jensen update
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