s390/vdso: copy tod_steering_delta value to vdso_data page

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commit 72bbc226ed upstream.

When converting the vdso assembler code to C it was forgotten to
actually copy the tod_steering_delta value to vdso_data page.

Which in turn means that tod clock steering will not work correctly.

Fix this by simply copying the value whenever it is updated.

Fixes: 4bff8cb545 ("s390: convert to GENERIC_VDSO")
Cc: <stable@vger.kernel.org> # 5.10
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Heiko Carstens 2021-03-23 21:40:11 +01:00 • committed by Greg Kroah-Hartman

parent f706acc931

commit b332265430

1 changed files with 1 additions and 0 deletions

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arch/s390/kernel/time.c

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