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s390/smp: keep the original lowcore for CPU 0
authorIlya Leoshkevich <iii@linux.ibm.com>
Mon, 31 Jul 2023 15:07:11 +0000 (17:07 +0200)
committerVasily Gorbik <gor@linux.ibm.com>
Tue, 19 Sep 2023 11:26:55 +0000 (13:26 +0200)
commit3570ee046c46b5dc3d077e3e60616b141a221027
treefa7420203341842a0a8973b80f84dceeb69e801etree
parent496bb034f4ff4866452ced7fdfaa4a0736230bdfcommit | diff
s390/smp: keep the original lowcore for CPU 0

Now that CPU 0 is not hotpluggable, it is not necessary to support
freeing its stacks. Delete all the code that migrates it to new stacks
and a new lowcore.

Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
arch/s390/include/asm/smp.h diff | blob | history
arch/s390/kernel/setup.c diff | blob | history
arch/s390/kernel/smp.c diff | blob | history
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