Re: [PATCH] parisc/kprobes: always include asm-generic/kprobes.h

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On 2/12/24 00:09, Max Kellermann wrote:
The NOKPROBE_SYMBOL macro (and others) were moved to
asm-generic/kprobes.h in 2017 by commit 7d134b2ce639 ("kprobes: move
kprobe declarations to asm-generic/kprobes.h"), and this new header
was included by asm/kprobes.h unconditionally on all architectures.

When kprobe support was added to parisc in 2017 by commit
8858ac8e9e9b1 ("parisc: Implement kprobes"), that header was only
included when CONFIG_KPROBES was enabled.

This can lead to build failures when NOKPROBE_SYMBOL is used, but
CONFIG_KPROBES is disabled.  This mistake however was never actually
noticed because linux/kprobes.h also includes asm-generic/kprobes.h
(though I do not understand why that is, because it also includes

To prevent eventual build failures, I suggest to always include
asm-generic/kprobes.h on parisc, just like all the other architectures
do.  This way, including asm/kprobes.h suffices, and nobody (outside
of arch/) ever needs to explicitly include asm-generic/kprobes.h.

Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>

applied to parisc git tree.


  arch/parisc/include/asm/kprobes.h | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/parisc/include/asm/kprobes.h b/arch/parisc/include/asm/kprobes.h
index 0a175ac87698..0f42f5c8e3b6 100644
--- a/arch/parisc/include/asm/kprobes.h
+++ b/arch/parisc/include/asm/kprobes.h
@@ -10,9 +10,10 @@

+#include <asm-generic/kprobes.h>

-#include <asm-generic/kprobes.h>
  #include <linux/types.h>
  #include <linux/ptrace.h>
  #include <linux/notifier.h>

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