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| author | Heiko Carstens <hca@linux.ibm.com> | 2023-03-27 11:37:23 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2023-04-04 18:34:55 +0200 |
| commit | cfea9bc78bc3f99abcef3efbe7631d3ed3b70406 (patch) | |
| tree | d06b50df807b157e84e59c245d53c2cbc68bd439 /arch/s390/kernel/head64.S | |
| parent | c2c3258fb55a0f51ea4a3c2cd4c29b23a64b151e (diff) | |
| download | linux-cfea9bc78bc3f99abcef3efbe7631d3ed3b70406.tar.gz | |
s390/stack: set lowcore kernel stack pointer early
Make sure the lowcore kernel stack pointer reflects the kernel stack of the
current task as early as possible, instead of having a NULL pointer there.
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/kernel/head64.S')
| -rw-r--r-- | arch/s390/kernel/head64.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 82399b4b5f8aa3..f67982f562db13 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -25,6 +25,7 @@ ENTRY(startup_continue) larl %r14,init_task stg %r14,__LC_CURRENT larl %r15,init_thread_union+STACK_INIT_OFFSET + stg %r15,__LC_KERNEL_STACK brasl %r14,sclp_early_adjust_va # allow sclp_early_printk brasl %r14,startup_init # s390 specific early init brasl %r14,start_kernel # common init code |