s390/preempt: Enable HAS_SEPARATE_PREEMPT_RESCHED_BITS

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Convert s390's preempt_count to 64 bit, and change the preempt
primitives accordingly.

[boqun: Apply the corrected comment for asm block]
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Boqun Feng <boqun@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260804161447.84806-13-boqun@kernel.org

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Heiko Carstens 2026-08-04 09:14:34 -07:00 • committed by Peter Zijlstra

parent 264bbd32a3

commit 3484440a7b

3 changed files with 30 additions and 27 deletions

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1

arch/s390/Kconfig

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13

arch/s390/include/asm/lowcore.h

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43

arch/s390/include/asm/preempt.h

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