GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

s390/setup: rearrange absolute lowcore initialization

Browse source 
Make the absolute lowcore assignments immediately follow
the boot CPU lowcore same member assignments. This way
readability improves when reading from up to down, with
no out of order mcck stack allocation in-between.

Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
This commit is contained in:
Alexander Gordeev 2022-07-22 20:34:05 +02:00
parent 57ad19bcde
commit 2e2493c675
1 changed files with 6 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

13
arch/s390/kernel/setup.c
View file

@ -474,19 +474,18 @@ static void __init setup_lowcore_dat_off(void)
lc->restart_data = 0;
lc->restart_source = -1U;
mcck_stack = (unsigned long)memblock_alloc(THREAD_SIZE, THREAD_SIZE);
if (!mcck_stack)
panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
__func__, THREAD_SIZE, THREAD_SIZE);
lc->mcck_stack = mcck_stack + STACK_INIT_OFFSET;
/* Setup absolute zero lowcore */
put_abs_lowcore(restart_stack, lc->restart_stack);
put_abs_lowcore(restart_fn, lc->restart_fn);
put_abs_lowcore(restart_data, lc->restart_data);
put_abs_lowcore(restart_source, lc->restart_source);
put_abs_lowcore(restart_psw, lc->restart_psw);
mcck_stack = (unsigned long)memblock_alloc(THREAD_SIZE, THREAD_SIZE);
if (!mcck_stack)
panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
__func__, THREAD_SIZE, THREAD_SIZE);
lc->mcck_stack = mcck_stack + STACK_INIT_OFFSET;
lc->spinlock_lockval = arch_spin_lockval(0);
lc->spinlock_index = 0;
arch_spin_lock_setup(0);