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s390/smp: Remove duplicate get_lowcore() calls

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Assign the output from get_lowcore() to a local variable,
so the code is easier to read.

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 13:45:29 +02:00 committed by Vasily Gorbik
parent d7c3ebc49e
commit eb28ec2b2e
1 changed files with 13 additions and 10 deletions
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23
arch/s390/kernel/smp.c
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@ -842,15 +842,16 @@ void __init smp_detect_cpus(void)
*/
static void smp_start_secondary(void *cpuvoid)
{
struct lowcore *lc = get_lowcore();
int cpu = raw_smp_processor_id();
get_lowcore()->last_update_clock = get_tod_clock();
get_lowcore()->restart_stack = (unsigned long)restart_stack;
get_lowcore()->restart_fn = (unsigned long)do_restart;
get_lowcore()->restart_data = 0;
get_lowcore()->restart_source = -1U;
get_lowcore()->restart_flags = 0;
restore_access_regs(get_lowcore()->access_regs_save_area);
lc->last_update_clock = get_tod_clock();
lc->restart_stack = (unsigned long)restart_stack;
lc->restart_fn = (unsigned long)do_restart;
lc->restart_data = 0;
lc->restart_source = -1U;
lc->restart_flags = 0;
restore_access_regs(lc->access_regs_save_area);
cpu_init();
rcutree_report_cpu_starting(cpu);
init_cpu_timer();
@ -987,10 +988,12 @@ void __init smp_prepare_boot_cpu(void)
void __init smp_setup_processor_id(void)
{
struct lowcore *lc = get_lowcore();
pcpu_devices[0].address = stap();
get_lowcore()->cpu_nr = 0;
get_lowcore()->spinlock_lockval = arch_spin_lockval(0);
get_lowcore()->spinlock_index = 0;
lc->cpu_nr = 0;
lc->spinlock_lockval = arch_spin_lockval(0);
lc->spinlock_index = 0;
}
/*