19 Jun, 2007
1 commit
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The current implementation only handles -ERESTARTNOHAND, whereas we
also need to handle -ERESTART_RESTARTBLOCK in the handle_signal()
case for restartable system calls.As noted by Carl:
This fixes the LTP test nanosleep03 - the current kernel causes
-ERESTART_RESTARTBLOCK to reach user space rather than the correct
-EINTR.Reported-by: Carl Shaw
Signed-off-by: Paul Mundt
18 Jun, 2007
2 commits
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As Russell helpfully pointed out on linux-arch:
http://marc.info/?l=linux-arch&m=118208089204630&w=2
We were missing the oops_enter/exit() in the sh die() implementation.
As we do support lockdep, it's beneficial to add these calls so lockdep
properly disables itself in the die() case.Signed-off-by: Paul Mundt
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We use R0 as the 5th argument of syscall. When the syscall restarts
after signal handling, we should restore the old value of R0.
The attached patch does it. Without this patch, I've experienced random
failures in the situation which signals are issued frequently.Signed-off-by: Kaz Kojima
Signed-off-by: Paul Mundt
04 Jun, 2007
2 commits
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With the SH7722 changes, ->set_rate() also takes an algo_id,
SH4-202 was overlooked when this change went in.Signed-off-by: Paul Mundt
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If CONFIG_KGDB_NMI is disabled, we're left with a stray in_nmi
reference that can't be resolved. Move the symbol under the ifdef,
too.Signed-off-by: Paul Mundt
31 May, 2007
3 commits
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Several errors were spotted during building for custom config (SMP
included). Although SMP still does not compile (no ipi and
__smp_call_function) and does not work, this looks a bit cleaner.
Some other errors obtained via gcc-4.1.0 build.Signed-off-by: Evgeniy Polyakov
Signed-off-by: Paul Mundt -
CC arch/sh/kernel/vsyscall/vsyscall.o
a/arch/sh/kernel/vsyscall/vsyscall.c: In function 'arch_setup_additional_pages':
a/arch/sh/kernel/vsyscall/vsyscall.c:63: error: dereferencing pointer to incomplete type
a/arch/sh/kernel/vsyscall/vsyscall.c:67: error: dereferencing pointer to incomplete type
a/arch/sh/kernel/vsyscall/vsyscall.c:82: error: dereferencing pointer to incomplete type
a/arch/sh/kernel/vsyscall/vsyscall.c:85: error: dereferencing pointer to incomplete type
a/arch/sh/kernel/vsyscall/vsyscall.c: In function 'arch_vma_name':
a/arch/sh/kernel/vsyscall/vsyscall.c:91: error: dereferencing pointer to incomplete typeSigned-off-by: Manuel Lauss
Signed-off-by: Paul Mundt -
Add lost in_nmi definition to solve pcrel too far.
Signed-off-by: Takashi YOSHII
Signed-off-by: Paul Mundt
23 May, 2007
2 commits
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Fix up a couple of section mismatch warnings regarding sys_timer.
Signed-off-by: Paul Mundt
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Fix dreamcast build for IRQ changes.
sh: Fix clock multiplier on SH7722.
sh: Wire up kdump crash kernel exec in die().
sh: sr.bl toggling around idle sleep.
sh: disable genrtc support.
fs: Kill sh dependency for binfmt_flat.
sh: Disable psw support for R7785RP.
sh: Fix page size alignment in __copy_user_page().
sh: Fix up various compile warnings for SE boards.
sh: Wire up signalfd/timerfd/eventfd syscalls.
sh: revert addition of page fault notifiers
spelling fixes: arch/sh/
input: hp680_ts compile fixes.
sh: landisk: Header cleanups.
sh: landisk: rtc-rs5c313 support.
sh: Kill off pmb slab cache destructor.
sh: Fix up psw build rules for r7780rp.
sh: Shut up compiler warnings in __do_page_fault().
21 May, 2007
6 commits
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This fixes up the master clock multiplier and initial rate
propagation for the SH7722 clocks.Signed-off-by: dmitry pervushin
Signed-off-by: Paul Mundt -
Now that we have the basic kdump support in place, add it in to
die() so we can enter the crash kernel automatically.Signed-off-by: Paul Mundt
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As pointed out by Saito-san, without the sr.bl manipulation we can
occasionally hit delays in the idle loop due to interrupt handling, so
ensure that interrupts are blocked before going to sleep.At the same time, we throw in TIF_POLLING_NRFLAG for the !hlt_counter
case (primarily used by the ST-40 parts).Signed-off-by: Paul Mundt
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- setup-sh7750.c only defines the sh7751_ipr_map when building
with SH7751 support.- 7722 Solution Engine was missing a mach-type entry, causing
the macro in cf-enabler to be undefined.- arch/sh/mm/init.c needs linux/pagemap.h.
Signed-off-by: Paul Mundt
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Signed-off-by: Paul Mundt
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Spelling fixes in arch/sh/.
Signed-off-by: Simon Arlott
Signed-off-by: Paul Mundt
19 May, 2007
2 commits
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With this consolidation we can now modify the .data
section definition in one spot for all archs.Signed-off-by: Sam Ravnborg
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Move definition of .text section to asm-generic.
Signed-off-by: Sam Ravnborg
10 May, 2007
1 commit
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Fix stacktrace simplification fallout.
sh: SH7760 DMABRG support.
sh: clockevent/clocksource/hrtimers/nohz TMU support.
sh: Truncate MAX_ACTIVE_REGIONS for the common case.
rtc: rtc-sh: Fix rtc_dev pointer for rtc_update_irq().
sh: Convert to common die chain.
sh: Wire up utimensat syscall.
sh: landisk mv_nr_irqs definition.
sh: Fixup ndelay() xloops calculation for alternate HZ.
sh: Add 32-bit opcode feature CPU flag.
sh: Fix PC adjustments for varying opcode length.
sh: Support for SH-2A 32-bit opcodes.
sh: Kill off redundant __div64_32 symbol export.
sh: Share exception vector table for SH-3/4.
sh: Always define TRAPA_BUG_OPCODE.
sh: __GFP_REPEAT for pte allocations, too.
rtc: rtc-sh: Fix up dev_dbg() warnings.
sh: generic quicklist support.
09 May, 2007
15 commits
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When the stacktrace simplification changes went in the function
definition on SH got skipped, fix it up so things build again.Signed-off-by: Paul Mundt
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This adds basic support for clockevents and clocksources,
presently only implemented for TMU-based systems (which
are the majority of SH-3 and SH-4 systems).The old NO_IDLE_HZ implementation is also dropped completely,
the only users of this were on TMU-based systems anyways.More work needs to be done to generalize the TMU handling,
in that the current implementation is rather tied to the
notion of TMU0 and TMU1 utilization.Additionally, as more SH timers switch over to this scheme,
we'll be able to gut most of the remaining system timer
infrastructure that existed before.Signed-off-by: Paul Mundt
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Many files include the filename at the beginning, serveral used a wrong one.
Signed-off-by: Uwe Kleine-König
Signed-off-by: Adrian Bunk -
This went in immediately after SH added the die chain notifiers,
so move over to that instead..Signed-off-by: Paul Mundt
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Signed-off-by: Paul Mundt
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Add a CPU flag for the CPUs that support 32-bit opcodes, which
gets passed down to userspace.Signed-off-by: Paul Mundt
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There are a few different cases for figuring out how to
size the instruction. We read in the instruction located
at regs->pc - 4 when rewinding the opcode to figure out if
there's a 32-bit opcode before the faulting instruction, with
a default of a - 2 adjustment on a mismatch. In practice this
works for the cases where pc - 4 is just another 16-bit opcode,
or we happen to have a 32-bit and a 16-bit immediately
preceeding the pc value.In the cases where we aren't rewinding, this is much less ugly..
We also don't bother fixing up the places where we're explicitly
dealing with 16-bit instructions, since this might lead to
confusion regarding the encoding size possibilities on other
CPU variants.Signed-off-by: Paul Mundt
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SH-2A supports both 16 and 32-bit instructions, add a simple helper
for figuring out the instruction size in the places where there are
hardcoded 16-bit assumptions.Signed-off-by: Paul Mundt
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modpost noticed that __div64_32 was being exported twice:
WARNING: lib/built-in: '__div64_32' exported twice. Previous export was
in arch/sh/kernel/built-in.kokill off the duplicate.
Signed-off-by: Paul Mundt
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The only difference between these at the moment are the FPU
exceptions, and these are hidden away under CONFIG_SH_FPU
(which is only set for the SH-4 case anyways..).This consolidates the two tables, and updates SH-4 to use
the updated copy.Signed-off-by: Paul Mundt
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This moves SH over to the generic quicklists. As per x86_64,
we have special mappings for the PGDs, so these go on their
own list..Signed-off-by: Paul Mundt
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Add IRQF_IRQPOLL on each timer interrupt on SH2.
Signed-off-by: Bernhard Walle
Cc: Paul Mundt
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Alan Cox
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Remove includes of where it is not used/needed.
Suggested by Al Viro.Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc,
sparc64, and arm (all 59 defconfigs).Signed-off-by: Randy Dunlap
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
The console subsystem already has an idea of a boot console, using the
CON_BOOT flag. The implementation has some flaws though. The major
problem is that presence of a boot console makes register_console() ignore
any other console devices (unless explicitly specified on the kernel
command line).This patch fixes the console selection code to *not* consider a boot
console a full-featured one, so the first non-boot console registering will
become the default console instead. This way the unregister call for the
boot console in the register_console() function actually triggers and the
handover from the boot console to the real console device works smoothly.
Added a printk for the handover, so you know which console device the
output goes to when the boot console stops printing messages.The disable_early_printk() call is obsolete with that patch, explicitly
disabling the early console isn't needed any more as it works automagically
with that patch.I've walked through the tree, dropped all disable_early_printk() instances
found below arch/ and tagged the consoles with CON_BOOT if needed. The
code is tested on x86, sh (thanks to Paul) and mips (thanks to Ralf).Changes to last version: Rediffed against -rc3, adapted to mips cleanups by
Ralf, fixed "udbg-immortal" cmd line arg on powerpc.Signed-off-by: Gerd Hoffmann
Acked-by: Paul Mundt
Acked-by: Ralf Baechle
Cc: Andi Kleen
Cc: Alan Cox
Cc: Richard Henderson
Cc: Ivan Kokshaysky
Cc: Paul Mackerras
Cc: Benjamin Herrenschmidt
Cc: Jeremy Fitzhardinge
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Simplify the stacktrace code:
- remove the unused task argument to save_stack_trace, it's always
current
- remove the all_contexts flag, it's alwasy 0Signed-off-by: Christoph Hellwig
Cc: Paul Mundt
Cc: Ralf Baechle
Cc: Martin Schwidefsky
Cc: "David S. Miller"
Cc: Andi Kleen
Cc: Akinobu Mita
Acked-by: Ingo Molnar
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
07 May, 2007
6 commits
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Some fixups for the R7785RP board. Gets iVDR working.
Signed-off-by: Ryusuke Sakato
Signed-off-by: Paul Mundt -
Add the atomic die chains in, kprobes needs these.
Signed-off-by: Paul Mundt
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hp6xx requires some additional IRQs that aren't currently enabled in
the SH7709 setup code. Wire them up.Signed-off-by: Takashi YOSHII
Signed-off-by: Kristoffer Ericson
Signed-off-by: Paul Mundt -
This adds more full-featured support for the SH7722 Solution Engine.
Previously this was using the generic board, and lacked most of the
peripheral support.Signed-off-by: Ryusuke Sakato
Signed-off-by: Paul Mundt -
This adds support for kexec based crash dumps.
Signed-off-by: Paul Mundt
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Previously this was done in cpuinfo, but with the number of clocks
growing, it makes more sense to place this in a different proc entry.Signed-off-by: Paul Mundt
