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| author | Juergen Gross <[email protected]> | 2024-11-29 14:47:49 +0000 |
|---|---|---|
| committer | Juergen Gross <[email protected]> | 2024-12-13 08:28:21 +0000 |
| commit | dda014ba59331dee4f3b773a020e109932f4bd24 (patch) | |
| tree | 36706823f8ff905afc600701913807230b3efce3 /arch/x86/include/asm/xen/hypercall.h | |
| parent | x86: make get_cpu_vendor() accessible from Xen code (diff) | |
| download | kernel-dda014ba59331dee4f3b773a020e109932f4bd24.tar.gz kernel-dda014ba59331dee4f3b773a020e109932f4bd24.zip | |
objtool/x86: allow syscall instruction
The syscall instruction is used in Xen PV mode for doing hypercalls.
Allow syscall to be used in the kernel in case it is tagged with an
unwind hint for objtool.
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]>
Diffstat (limited to 'arch/x86/include/asm/xen/hypercall.h')
0 files changed, 0 insertions, 0 deletions