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| author | Heiko Carstens <hca@linux.ibm.com> | 2023-03-27 11:37:27 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2023-04-04 18:34:56 +0200 |
| commit | 22ca1e7738025ae38d07c05bae2af934b1b2c11f (patch) | |
| tree | d727a91d27bd89cf66c1083327f726285a8e6315 /arch/s390/include/asm/entry-common.h | |
| parent | s390: remove arch_early_irq_init() (diff) | |
| download | linux-22ca1e7738025ae38d07c05bae2af934b1b2c11f.tar.xz linux-22ca1e7738025ae38d07c05bae2af934b1b2c11f.zip | |
s390: move on_thread_stack() to processor.h
As preparation for the stackleak feature move on_thread_stack() to
processor.h like x86.
Also make it __always_inline, and slightly optimize it by reading
current task's kernel stack pointer from lowcore.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/entry-common.h')
| -rw-r--r-- | arch/s390/include/asm/entry-common.h | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/s390/include/asm/entry-common.h b/arch/s390/include/asm/entry-common.h index 000de2b1e67a..fdd319a622b0 100644 --- a/arch/s390/include/asm/entry-common.h +++ b/arch/s390/include/asm/entry-common.h @@ -60,9 +60,4 @@ static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs, #define arch_exit_to_user_mode_prepare arch_exit_to_user_mode_prepare -static inline bool on_thread_stack(void) -{ - return !(((unsigned long)(current->stack) ^ current_stack_pointer) & ~(THREAD_SIZE - 1)); -} - #endif |