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Message-Id: <20191024225132.13410-16-samitolvanen@google.com>
Date: Thu, 24 Oct 2019 15:51:30 -0700
From: samitolvanen@...gle.com
To: Will Deacon <will@...nel.org>, Catalin Marinas <catalin.marinas@....com>,
Steven Rostedt <rostedt@...dmis.org>, Masami Hiramatsu <mhiramat@...nel.org>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc: Dave Martin <Dave.Martin@....com>, Kees Cook <keescook@...omium.org>,
Laura Abbott <labbott@...hat.com>, Mark Rutland <mark.rutland@....com>,
Nick Desaulniers <ndesaulniers@...gle.com>, Jann Horn <jannh@...gle.com>,
Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
Masahiro Yamada <yamada.masahiro@...ionext.com>, clang-built-linux@...glegroups.com,
kernel-hardening@...ts.openwall.com, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, Sami Tolvanen <samitolvanen@...gle.com>
Subject: [PATCH v2 15/17] arm64: kprobes: fix kprobes without CONFIG_KRETPROBES
This allows CONFIG_KRETPROBES to be disabled without disabling
kprobes entirely.
Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>
---
arch/arm64/kernel/probes/kprobes.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c
index c4452827419b..98230ae979ca 100644
--- a/arch/arm64/kernel/probes/kprobes.c
+++ b/arch/arm64/kernel/probes/kprobes.c
@@ -551,6 +551,7 @@ void __kprobes __used *trampoline_probe_handler(struct pt_regs *regs)
return (void *)orig_ret_address;
}
+#ifdef CONFIG_KRETPROBES
void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
struct pt_regs *regs)
{
@@ -564,6 +565,7 @@ int __kprobes arch_trampoline_kprobe(struct kprobe *p)
{
return 0;
}
+#endif
int __init arch_init_kprobes(void)
{
--
2.24.0.rc0.303.g954a862665-goog
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