diff options
| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-18 16:51:19 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-04-21 23:05:56 +1000 |
| commit | 0fb1c25ab523614b056ace11be67aac8f8ccabb1 (patch) | |
| tree | 0f458e2ca41b6e94626f1d7bc41c4557e42a44ec /arch/powerpc/include/asm/kup.h | |
| parent | powerpc: Add framework for Kernel Userspace Protection (diff) | |
| download | linux-dev-0fb1c25ab523614b056ace11be67aac8f8ccabb1.tar.xz linux-dev-0fb1c25ab523614b056ace11be67aac8f8ccabb1.zip | |
powerpc: Add skeleton for Kernel Userspace Execution Prevention
This patch adds a skeleton for Kernel Userspace Execution Prevention.
Then subarches implementing it have to define CONFIG_PPC_HAVE_KUEP
and provide setup_kuep() function.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Don't split strings, use pr_crit_ratelimited()]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/kup.h')
| -rw-r--r-- | arch/powerpc/include/asm/kup.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h index 7a88b8b9b54d..a2a959cb4e36 100644 --- a/arch/powerpc/include/asm/kup.h +++ b/arch/powerpc/include/asm/kup.h @@ -6,6 +6,12 @@ void setup_kup(void); +#ifdef CONFIG_PPC_KUEP +void setup_kuep(bool disabled); +#else +static inline void setup_kuep(bool disabled) { } +#endif /* CONFIG_PPC_KUEP */ + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_KUP_H_ */ |