seccomp: add SECCOMP_RET_ERRNO

[linux-block.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index 91c2c730fc1a1005bc7c8a6dcec5832389ca0a75..beaab68c13b73b7cfc5e19e83595992f0b8635eb 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -220,8 +220,10 @@ config HAVE_ARCH_SECCOMP_FILTER
        bool
        help
          This symbol should be selected by an architecure if it provides
-         asm/syscall.h, specifically syscall_get_arguments() and
-         syscall_get_arch().
+         asm/syscall.h, specifically syscall_get_arguments(),
+         syscall_get_arch(), and syscall_set_return_value().  Additionally,
+         its system call entry path must respect a return value of -1 from
+         __secure_computing() and/or secure_computing().
 
 config SECCOMP_FILTER
        def_bool y