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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This is known to be working fine for a while. While at it also update
and fix the help texts.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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A proper fix would involve introducing the notion of shared caches but
at this stage of 2.6.17 that's going to be too intrusive and not needed
for current hardware; aside I think some discussion will be needed.
So for now on the affected SMP configurations which happen to suffer from
cache aliases we make use of the fact that a single cache will be shared
by all processors. This solves the deadlock issue and will improve
performance by getting rid of the smp_call_function overhead.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The "system type" Kconfig options on MIPS are not consistent. For
some platforms, only the name is listed while other entries are
prepended with "Support for". Remove this as it doesn't make sense
when describing the "system type".
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When debugging a kernel compiled by gcc 4.1 with gdb 6.4, gdb could
not show filename, linenumber, etc. It seems fixed if I used generic
DWARF_DEBUG macro. Although gcc 3.x seems work without this change,
it would be better to use the generic macro unless there were
something MIPS specific.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fix a calculation of saved vector address in trap_low.
(damage done by lmo f4c72cc737561aab0d9c7f877abbc0a853f1c465)
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Rename the 64-bit sc_hi and sc_lo arrays to use the same names
as the 32-bit struct sigcontext (sc_mdhi, sc_hi1, et cetera).
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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SETNAME only had a minor defect but probably never had a user and
MIPS_RDNVRAM was unimplemented anyway.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Nothing exciting; Linux just didn't know it yet so this is most adding
a value to a case statement.
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The 34K is very much like a 24K on steroids.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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common/au1000/irq.c was missing a mips_timer_interrupt() prototype,
whereas in common/au1000/time.c the actual mips_timer_interrupt()
implementation was missing an irq_exit() invocation, causing a
preempt_count() leak.
Signed-off-by: Herbert Valerio Riedel <hvr@hvrlab.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Found by Chris Dearman (chris@mips.com).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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... it's always current, and that's a good thing - allows simpler locking.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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In the branch emulation for floating-point exceptions, __compute_return_epc
must determine for bc1f et al which condition code bit to test. This is
based on bits <4:2> of the rt field. The switch statement to distinguish
bc1f et al needs to use only the two low bits of rt, but the old code tests
on the whole rt field. This patch masks off the proper bits.
Signed-off-by: Win Treese <treese@acm.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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imajor()/iminor() should be used instead of accessing r_dev directly.
Based on patch from Eric Sesterhenn (snakebyte@gmx.de).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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It's been a horrible source of confusion and let users to shoot themselves
into both feet with uzis to no end.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This commit breaks sparse for 64bit kernel. The -m64 option is
required. Also, some macro values (such as _MIPS_TUNE, etc.) contain
double-quote characters so it would be better quoting arguments by
single-quote characters.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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With recent rewrite for generic bitops, ffs() is defined the same way
as the libc and compiler built-in routines (returns int instead of
unsigned long). Use __ffs() for 64bit value.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When unloading oprofile module with timer-mode, oprofile_arch_exit
dereferences a NULL pointer.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Switched to use of sys_pread64()/sys_pwrite64() rather than keep duplicating
their guts; among the little things that had been missing there were such as
ret = security_file_permission (file, MAY_READ);
Gotta love the LSM robustness, right?
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This fixes kernel builds with gcc 3.2 (not 64-bit, that is looking like
it is beyond recovery) and 3.3. With these bugs fixed we now also can
get undo 3b4c4996a0c24da9e6f8be764e3950b756b18cc0 and similar bits for
SMTC that were added in 79cc8007b93838a670b164b8a55ab3e735a12a8b.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Nothing outside traps.c uses it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This is the same method as used in the serial driver.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
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Fix the cache index value in tx49_blast_icache32_page_indexed().
This is a damage by de62893bc0725f8b5f0445250577cd7a10b2d8f8 commit.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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MIPS get_wchan() no longer requires -fno-omit-frame-pointer.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Saves like 1,600 lines of code, is way easier to debug, compilers
frequently do a better job than the cut and paste type of handlers many
boards had. And finally having all the stuff done in a single place
also means alot of bug potencial for the MT ASE is gone.
The only surviving handler in assembler is the DECstation one; I hope
Maciej will rewrite it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Some things were renamed because the PPC variant of the MV-643XX now
uses the same header and the Jaguar code didn't catch up on that.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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