[PATCH 0/2] riscv: fix patching with IPI

From: Alexandre Ghiti
Date: Wed Feb 28 2024 - 12:52:09 EST


patch 1 removes a useless memory barrier and patch 2 actually fixes the
issue with IPI in the patching code.

Changes in v2:
- Add patch 1 and then remove the memory barrier from patch 2 as
suggested by Andrea
- Convert atomic_inc into an atomic_inc with release semantics as
suggested by Andrea

Alexandre Ghiti (2):
riscv: Remove superfluous smp_mb()
riscv: Fix text patching when IPI are used

arch/riscv/include/asm/patch.h | 1 +
arch/riscv/kernel/ftrace.c | 42 ++++++++++++++++++++++++++++++----
arch/riscv/kernel/patch.c | 19 ++++++++-------
3 files changed, 50 insertions(+), 12 deletions(-)

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2.39.2