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| author | Peter Zijlstra <peterz@infradead.org> | 2022-06-15 00:15:35 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-06-27 11:33:58 +0300 |
| commit | 00e1533325fd1fb5459229fe37f235462649f668 (patch) | |
| tree | 43678bee2fa828a00e13aa4bc81f2ce5a2e91d25 /scripts/basic | |
| parent | 369ae6ffc41a3c1137cab697635a84d0cc7cdcea (diff) | |
| download | linux-00e1533325fd1fb5459229fe37f235462649f668.tar.xz | |
x86/retpoline: Swizzle retpoline thunk
Put the actual retpoline thunk as the original code so that it can
become more complicated. Specifically, it allows RET to be a JMP,
which can't be .altinstr_replacement since that doesn't do relocations
(except for the very first instruction).
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'scripts/basic')
0 files changed, 0 insertions, 0 deletions