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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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From: Ralf Baechle <ralf@linux-mips.org>
MIPS update:
- Further conversion of MIPS kernel configuration to reverse dependencies.
- Support for the PMC-Sierra Yosemite evaluation board.
- Merge arch/mips/mm-32 and arch/mips/mm-32 into arch/mips/mm.
- Partial support for the R8000 now that I finally have clearance for the
documentation previously covered by NDA.
- Make distclean fixes.
- Regenerate default configuration files against latest Kconfig files.
- Fix handling of data bus errors in modules.
- Make R4000 bug probing more bullet proof.
- Rewrite semaphore code folloing the PPC implementation to no longer
manipulate 2 32-bit quantities atomically using 64-bit instructions.
Occasionally this did cause problems due to struct semaphore not having
sufficient alignment.
- Make sys_pipe() code bullet proof against gcc 3.5 over-optimization.
- Fix possibly exploitable bug in IRIX compatibility statvfs(2).
- Make sched_clock() an outline function.
- Support for the MIPS 24K and 25K processors.
- Make functions static that aren't needed anywhere else.
- Factor out some more generic MIPS SMP code.
- Factor out common part of the GT-64240 code.
- Ocelot C now uses the generic MV-64340 interrupt handler code.
- Factor out common board support code
- More cleanup and bug fixes for the NEC VR41xx code.
- Start cleanup of hazard handling as required for MIPS32/64 V2 processors.
- Enforce minimal kmalloc alignment of 8 byte so 64-bit registers can be
stored into fields without exceptions.
- Speeling and warning fixes.
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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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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