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authorIngo Molnar <mingo@kernel.org>2012-03-26 17:18:44 +0200
committerIngo Molnar <mingo@kernel.org>2012-03-26 17:19:03 +0200
commit7fd52392c56361a40f0c630a82b36b95ca31eac6 (patch)
tree14091de24c6b28ea4cae9826f98aeedb7be091f5 /arch/powerpc/platforms/iseries/smp.c
parentb01c3a0010aabadf745f3e7fdb9cab682e0a28a2 (diff)
parente22057c8599373e5caef0bc42bdb95d2a361ab0d (diff)
downloadop-kernel-dev-7fd52392c56361a40f0c630a82b36b95ca31eac6.zip
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Merge branch 'linus' into perf/urgent
Merge reason: we need to fix a non-trivial merge conflict. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/platforms/iseries/smp.c')
-rw-r--r--arch/powerpc/platforms/iseries/smp.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c
deleted file mode 100644
index 02df49f..0000000
--- a/arch/powerpc/platforms/iseries/smp.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * SMP support for iSeries machines.
- *
- * Dave Engebretsen, Peter Bergner, and
- * Mike Corrigan {engebret|bergner|mikec}@us.ibm.com
- *
- * Plus various changes from other IBM teams...
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#undef DEBUG
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/interrupt.h>
-#include <linux/kernel_stat.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/cache.h>
-#include <linux/err.h>
-#include <linux/device.h>
-#include <linux/cpu.h>
-
-#include <asm/ptrace.h>
-#include <linux/atomic.h>
-#include <asm/irq.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <asm/paca.h>
-#include <asm/iseries/hv_call.h>
-#include <asm/time.h>
-#include <asm/machdep.h>
-#include <asm/cputable.h>
-#include <asm/system.h>
-
-static void smp_iSeries_cause_ipi(int cpu, unsigned long data)
-{
- HvCall_sendIPI(&(paca[cpu]));
-}
-
-static int smp_iSeries_probe(void)
-{
- return cpumask_weight(cpu_possible_mask);
-}
-
-static int smp_iSeries_kick_cpu(int nr)
-{
- BUG_ON((nr < 0) || (nr >= NR_CPUS));
-
- /* Verify that our partition has a processor nr */
- if (lppaca_of(nr).dyn_proc_status >= 2)
- return -ENOENT;
-
- /* The processor is currently spinning, waiting
- * for the cpu_start field to become non-zero
- * After we set cpu_start, the processor will
- * continue on to secondary_start in iSeries_head.S
- */
- paca[nr].cpu_start = 1;
-
- return 0;
-}
-
-static void __devinit smp_iSeries_setup_cpu(int nr)
-{
-}
-
-static struct smp_ops_t iSeries_smp_ops = {
- .message_pass = NULL, /* Use smp_muxed_ipi_message_pass */
- .cause_ipi = smp_iSeries_cause_ipi,
- .probe = smp_iSeries_probe,
- .kick_cpu = smp_iSeries_kick_cpu,
- .setup_cpu = smp_iSeries_setup_cpu,
-};
-
-/* This is called very early. */
-void __init smp_init_iSeries(void)
-{
- smp_ops = &iSeries_smp_ops;
-}
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