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Diffstat (limited to 'Documentation/sysctl/net.txt')
| -rw-r--r-- | Documentation/sysctl/net.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt index b80fbd4e5575..2ebabc93014a 100644 --- a/Documentation/sysctl/net.txt +++ b/Documentation/sysctl/net.txt @@ -54,6 +54,18 @@ Values : 1 - enable JIT hardening for unprivileged users only 2 - enable JIT hardening for all users +bpf_jit_kallsyms +---------------- + +When Berkeley Packet Filter Just in Time compiler is enabled, then compiled +images are unknown addresses to the kernel, meaning they neither show up in +traces nor in /proc/kallsyms. This enables export of these addresses, which +can be used for debugging/tracing. If bpf_jit_harden is enabled, this feature +is disabled. +Values : + 0 - disable JIT kallsyms export (default value) + 1 - enable JIT kallsyms export for privileged users only + dev_weight -------------- |