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s390: Add get_lowcore() function

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Add a get_lowcore() function which returns the address
of lowcore (currently always NULL). This function will
be used as a replacement of the S390_lowcore macro.

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Sven Schnelle 2024-06-10 13:45:24 +02:00 committed by Vasily Gorbik
parent 582cc1b28e
commit 7e8f89e5e0
1 changed files with 5 additions and 0 deletions
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5
arch/s390/include/asm/lowcore.h
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@ -215,6 +215,11 @@ struct lowcore {
#define S390_lowcore (*((struct lowcore *) 0))
static __always_inline struct lowcore *get_lowcore(void)
{
return NULL;
}
extern struct lowcore *lowcore_ptr[];
static inline void set_prefix(__u32 address)