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s390/head64: remove unnecessary vdso_per_cpu_data setup

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vdso_per_cpu_data lowcore value is only needed for fully functional
exception handlers, which are activated in setup_lowcore_dat_off. The
same function does init vdso_per_cpu_data via vdso_alloc_boot_cpu.

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Vasily Gorbik 2019-11-13 11:22:30 +01:00
parent c02ee6a16a
commit b8ce1fa489
1 changed files with 0 additions and 2 deletions
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2
arch/s390/kernel/head64.S
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@ -26,8 +26,6 @@ ENTRY(startup_continue)
0: larl %r1,tod_clock_base
mvc 0(16,%r1),__LC_BOOT_CLOCK
larl %r13,.LPG1 # get base
larl %r0,boot_vdso_data
stg %r0,__LC_VDSO_PER_CPU
#
# Setup stack
#