rcu: Mark interrupts-enabled accesses to rdp->cpu_no_qs.s

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The rdp->cpu_no_qs.s field is accessed only by the current CPU,
but can be accessed both at task level and from interrupt handlers.
All accesses from interrupts-enabled code must therefore be marked.
This commit therefore converts from __this_cpu_read() to this_cpu_read(),
but only in interrupts-enabled code, that is, the rcu_qs() function.

KCSAN located this issue.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

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This commit is contained in:

Paul E. McKenney 2026-07-24 14:44:15 -07:00

parent df0ecbc497

commit 76892716e1

1 changed files with 1 additions and 1 deletions

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kernel/rcu/tree_plugin.h

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