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Commit 57fa8baf authored by Abhimanyu Kapur's avatar Abhimanyu Kapur
Browse files

arm64: smp: move the pen to a header file 



Move the secondary_pen_release variable and the
secondary_holding_pen entry function to asm/smp_plat.h so
that the other cpu ops implementations can share them.

Change-Id: I9cee3e01185df5e9977795cc778848d91d370b70
Signed-off-by: default avatarAbhimanyu Kapur <abhimany@codeaurora.org>
parent 8ffdf50a

arch/arm64/include/asm/smp_plat.h

+2 −0
Original line number Diff line number Diff line
@@ -34,10 +34,12 @@ static inline u32 mpidr_hash_size(void) 
	return 1 << mpidr_hash.bits;

}



extern void secondary_holding_pen(void);

/*

 * Logical CPU mapping.

 */

extern u64 __cpu_logical_map[NR_CPUS];

#define cpu_logical_map(cpu)    __cpu_logical_map[cpu]

extern volatile unsigned long secondary_holding_pen_release;



#endif /* __ASM_SMP_PLAT_H */

arch/arm64/kernel/smp.c

+1 −0
Original line number Diff line number Diff line
@@ -55,6 +55,7 @@ 
 * where to place its SVC stack

 */

struct secondary_data secondary_data;

volatile unsigned long secondary_holding_pen_release = INVALID_HWID;



enum ipi_msg_type {

	IPI_RESCHEDULE,

arch/arm64/kernel/smp_spin_table.c

+0 −3
Original line number Diff line number Diff line
@@ -26,9 +26,6 @@ 
#include <asm/cputype.h>

#include <asm/smp_plat.h>



extern void secondary_holding_pen(void);

volatile unsigned long secondary_holding_pen_release = INVALID_HWID;



static phys_addr_t cpu_release_addr[NR_CPUS];

static DEFINE_RAW_SPINLOCK(boot_lock);