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authorRichard Weinberger <richard@nod.at>2015-03-18 21:42:54 +0100
committerRichard Weinberger <richard@nod.at>2015-04-13 21:00:58 +0200
commit28fa468f53163bc0b867b4cc75a9e36e7ed4dbbd (patch)
tree5421b0046c8143797630da85db9a9b72c488f9f2 /arch/um/include
parentd0b5e15f0c0fdd759dd3dd48dc2dc2e7199e0da0 (diff)
um: Remove broken SMP support
At times where UML used the TT mode to operate it had kind of SMP support. It never got finished nor was stable. Let's rip out that cruft and stop confusing developers which do tree-wide SMP cleanups. If someone wants SMP support UML it has do be done from scratch. Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/include')
-rw-r--r--arch/um/include/asm/processor-generic.h8
-rw-r--r--arch/um/include/asm/smp.h26
2 files changed, 0 insertions, 34 deletions
diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h
index cbc5edd5a901..2d1e0dd5bb0b 100644
--- a/arch/um/include/asm/processor-generic.h
+++ b/arch/um/include/asm/processor-generic.h
@@ -98,16 +98,8 @@ struct cpuinfo_um {
extern struct cpuinfo_um boot_cpu_data;
-#define my_cpu_data cpu_data[smp_processor_id()]
-
-#ifdef CONFIG_SMP
-extern struct cpuinfo_um cpu_data[];
-#define current_cpu_data cpu_data[smp_processor_id()]
-#else
#define cpu_data (&boot_cpu_data)
#define current_cpu_data boot_cpu_data
-#endif
-
#define KSTK_REG(tsk, reg) get_thread_reg(reg, &tsk->thread.switch_buf)
extern unsigned long get_wchan(struct task_struct *p);
diff --git a/arch/um/include/asm/smp.h b/arch/um/include/asm/smp.h
index e4507938d8cf..9c3be355ed01 100644
--- a/arch/um/include/asm/smp.h
+++ b/arch/um/include/asm/smp.h
@@ -1,32 +1,6 @@
#ifndef __UM_SMP_H
#define __UM_SMP_H
-#ifdef CONFIG_SMP
-
-#include <linux/bitops.h>
-#include <asm/current.h>
-#include <linux/cpumask.h>
-
-#define raw_smp_processor_id() (current_thread->cpu)
-
-#define cpu_logical_map(n) (n)
-#define cpu_number_map(n) (n)
-extern int hard_smp_processor_id(void);
-#define NO_PROC_ID -1
-
-extern int ncpus;
-
-
-static inline void smp_cpus_done(unsigned int maxcpus)
-{
-}
-
-extern struct task_struct *idle_threads[NR_CPUS];
-
-#else
-
#define hard_smp_processor_id() 0
#endif
-
-#endif