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| author | Juergen Gross <[email protected]> | 2024-11-29 15:15:54 +0000 |
|---|---|---|
| committer | Juergen Gross <[email protected]> | 2024-12-13 08:28:32 +0000 |
| commit | 0ef8047b737d7480a5d4c46d956e97c190f13050 (patch) | |
| tree | 34ac003c882605b69761786af8e121a68d1e6e24 /arch/x86/include/asm/xen/hypercall.h | |
| parent | objtool/x86: allow syscall instruction (diff) | |
| download | kernel-0ef8047b737d7480a5d4c46d956e97c190f13050.tar.gz kernel-0ef8047b737d7480a5d4c46d956e97c190f13050.zip | |
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 <[email protected]>
Signed-off-by: Juergen Gross <[email protected]>
Co-developed-by: Peter Zijlstra <[email protected]>
Co-developed-by: Josh Poimboeuf <[email protected]>
Diffstat (limited to 'arch/x86/include/asm/xen/hypercall.h')
0 files changed, 0 insertions, 0 deletions