srcu: Pull pointer-to-integer conversion into __srcu_ptr_to_ctr()

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This commit abstracts the srcu_read_lock*() pointer-to-integer conversion
into a new __srcu_ptr_to_ctr().  This will be used in rcutorture for
testing an srcu_read_lock_fast() that returns a pointer rather than
an integer.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: <bpf@vger.kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>

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This commit is contained in:

Paul E. McKenney 2025-01-08 14:31:27 -08:00 • committed by Boqun Feng

parent 4d86b1e7e1

commit f4bde41dd1

2 changed files with 10 additions and 3 deletions

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9

include/linux/srcutree.h

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4

kernel/rcu/srcutree.c

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