diff options
| author | Juergen Gross <jgross@suse.com> | 2024-11-29 16:15:54 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2024-12-13 09:28:32 +0100 |
| commit | 0ef8047b737d7480a5d4c46d956e97c190f13050 (patch) | |
| tree | 34ac003c882605b69761786af8e121a68d1e6e24 /kernel/static_call_inline.c | |
| parent | dda014ba59331dee4f3b773a020e109932f4bd24 (diff) | |
x86/static-call: provide a way to do very early static-call updates
Add static_call_update_early() for updating static-call targets in
very early boot.
This will be needed for support of Xen guest type specific hypercall
functions.
This is part of XSA-466 / CVE-2024-53241.
Reported-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Co-developed-by: Peter Zijlstra <peterz@infradead.org>
Co-developed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Diffstat (limited to 'kernel/static_call_inline.c')
| -rw-r--r-- | kernel/static_call_inline.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/static_call_inline.c b/kernel/static_call_inline.c index 5259cda486d0..bb7d066a7c39 100644 --- a/kernel/static_call_inline.c +++ b/kernel/static_call_inline.c @@ -15,7 +15,7 @@ extern struct static_call_site __start_static_call_sites[], extern struct static_call_tramp_key __start_static_call_tramp_key[], __stop_static_call_tramp_key[]; -static int static_call_initialized; +int static_call_initialized; /* * Must be called before early_initcall() to be effective. |