diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2023-03-27 11:37:22 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2023-04-04 18:34:55 +0200 |
| commit | c2c3258fb55a0f51ea4a3c2cd4c29b23a64b151e (patch) | |
| tree | 06bc6c83632d3988c626217143b36a304accb1e2 /arch/s390/kernel/entry.S | |
| parent | e6badee94027a4e9586e6b5d087bc96e9e4d554c (diff) | |
s390/stack: use STACK_INIT_OFFSET where possible
Make STACK_INIT_OFFSET also available for assembler code, and
use it everywhere instead of open-coding it at several places.
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/entry.S')
| -rw-r--r-- | arch/s390/kernel/entry.S | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index c41ec5a03d07..fc3d1df09736 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -29,10 +29,6 @@ #include <asm/export.h> #include <asm/nospec-insn.h> -STACK_SHIFT = PAGE_SHIFT + THREAD_SIZE_ORDER -STACK_SIZE = 1 << STACK_SHIFT -STACK_INIT = STACK_SIZE - STACK_FRAME_OVERHEAD - __PT_SIZE - _LPP_OFFSET = __LC_LPP .macro STBEAR address @@ -53,7 +49,7 @@ _LPP_OFFSET = __LC_LPP .macro CHECK_STACK savearea #ifdef CONFIG_CHECK_STACK - tml %r15,STACK_SIZE - CONFIG_STACK_GUARD + tml %r15,THREAD_SIZE - CONFIG_STACK_GUARD lghi %r14,\savearea jz stack_overflow #endif @@ -62,8 +58,8 @@ _LPP_OFFSET = __LC_LPP .macro CHECK_VMAP_STACK savearea,oklabel #ifdef CONFIG_VMAP_STACK lgr %r14,%r15 - nill %r14,0x10000 - STACK_SIZE - oill %r14,STACK_INIT + nill %r14,0x10000 - THREAD_SIZE + oill %r14,STACK_INIT_OFFSET clg %r14,__LC_KERNEL_STACK je \oklabel clg %r14,__LC_ASYNC_STACK @@ -179,7 +175,7 @@ ENTRY(__switch_to) stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task lghi %r4,__TASK_stack lghi %r1,__TASK_thread - llill %r5,STACK_INIT + llill %r5,STACK_INIT_OFFSET stg %r15,__THREAD_ksp(%r1,%r2) # store kernel stack of prev lg %r15,0(%r4,%r3) # start of kernel stack of next agr %r15,%r5 # end of kernel stack of next |