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s390/setup: use virtual address for STSI instruction

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Provide virtual memory pointer for system-information block.

Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Alexander Gordeev 2021-10-07 12:14:09 +02:00 committed by Vasily Gorbik
parent 5caca32fba
commit e035389b73
1 changed files with 2 additions and 4 deletions
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6
arch/s390/kernel/setup.c
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@ -879,14 +879,12 @@ static void __init setup_randomness(void)
{
struct sysinfo_3_2_2 *vmms;
vmms = (struct sysinfo_3_2_2 *) memblock_phys_alloc(PAGE_SIZE,
PAGE_SIZE);
vmms = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
if (!vmms)
panic("Failed to allocate memory for sysinfo structure\n");
if (stsi(vmms, 3, 2, 2) == 0 && vmms->count)
add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count);
memblock_free((unsigned long) vmms, PAGE_SIZE);
memblock_free_ptr(vmms, PAGE_SIZE);
}
/*