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2008-09-21sh: Trivial trace_mark() instrumentation for core events.Paul Mundt1-2/+8
This implements a few trace points across events that are deemed interesting. This implements a number of trace points: - The page fault handler / TLB miss - IPC calls - Kernel thread creation The original LTTng patch had the slow-path instrumented, which fails to account for the vast majority of events. In general placing this in the fast-path is not a huge performance hit, as we don't take page faults for kernel addresses. The other bits of interest are some of the other trap handlers, as well as the syscall entry/exit (which is better off being handled through the tracehook API). Most of the other trap handlers are corner cases where alternate means of notification exist, so there is little value in placing extra trace points in these locations. Based on top of the points provided both by the LTTng instrumentation patch as well as the patch shipping in the ST-Linux tree, albeit in a stripped down form. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-09-08sh: fixup many sparse errors.Paul Mundt1-0/+1
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-28sh/kernel/ cleanupsAdrian Bunk1-10/+0
This patch contains the following cleanups: - make the following needlessly global code static: - cf-enabler.c: cf_init() - cpu/clock.c: __clk_enable() - cpu/clock.c: __clk_disable() - process_32.c: default_idle() - time_32.c: struct clocksource_sh - timers/timer-tmu.c: struct tmu_timer_ops - remove the following unused functions (no CONFIG_BLK_DEV_FD on sh): - process_{32,64}.c: disable_hlt() - process_{32,64}.c: enable_hlt() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-16sh64: add missing #include <asm/fpu.h>'sAdrian Bunk1-0/+1
This patch fixes some compile errors due to missing save_fpu() prototypes on sh64 caused by commit 9bbafce2eec190ef7e44b0eb1095ba17ce6ad3af (sh: Fix occasional FPU register corruption under preempt). Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14sh: Shut up some trivial build warnings.Paul Mundt1-3/+6
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-01-28sh: comment tidying for sh64->sh migration.Paul Mundt1-13/+16
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-01-28sh: Bring the SH-5 FPU in line with the SH-4 FPU API.Paul Mundt1-2/+2
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-01-28sh: Fix up proc ASIDs for CPU-local ASID cache accessors.Paul Mundt1-10/+8
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-01-28sh: Share bug/debug traps across _32 and _64.Paul Mundt1-9/+6
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-01-28sh: Kill off SH-5 enter_deep_standby() cruft.Paul Mundt1-2/+14
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-01-28sh: Move over and enable FPU support for SH-5.Paul Mundt1-4/+4
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-01-28sh: Split out arch/sh/kernel/process.c for _32 and _64 variants.Paul Mundt1-0/+691
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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