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[PATCH] ppc32: fix build with oprofile

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Current -git tree doesn't build when enabling oprofile on a non-bookE CPU
(like on a PowerMac for example).  While there is no performance counter
support for these CPUs implemented yet, it's still nice to be able to use
the timer based sampling, and that got broken.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Benjamin Herrenschmidt 2005-09-22 21:43:55 -07:00 committed by Linus Torvalds
parent 66c81f0059
commit 244bc050d5
2 changed files with 6 additions and 3 deletions
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3
arch/ppc/kernel/Makefile
View file

@ -15,9 +15,8 @@ extra-y += vmlinux.lds
obj-y := entry.o traps.o irq.o idle.o time.o misc.o \
process.o signal.o ptrace.o align.o \
semaphore.o syscalls.o setup.o \
cputable.o ppc_htab.o
cputable.o ppc_htab.o perfmon.o
obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o
obj-$(CONFIG_E500) += perfmon.o
obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o
obj-$(CONFIG_POWER4) += cpu_setup_power4.o
obj-$(CONFIG_MODULES) += module.o ppc_ksyms.o

6
arch/ppc/kernel/perfmon.c
View file

@ -45,7 +45,7 @@ static void dummy_perf(struct pt_regs *regs)
mtpmr(PMRN_PMGC0, pmgc0);
}
#else
#elif CONFIG_6xx
/* Ensure exceptions are disabled */
static void dummy_perf(struct pt_regs *regs)
@ -55,6 +55,10 @@ static void dummy_perf(struct pt_regs *regs)
mmcr0 &= ~MMCR0_PMXE;
mtspr(SPRN_MMCR0, mmcr0);
}
#else
static void dummy_perf(struct pt_regs *regs)
{
}
#endif
void (*perf_irq)(struct pt_regs *) = dummy_perf;