| commit | 71ff44ac6cfaa1d8d3dff6c73636f4fb97b2be10 | [log] [tgz] |
|---|---|---|
| author | Arvind Sankar <nivedita@alum.mit.edu> | Sun Mar 08 09:08:41 2020 +0100 |
| committer | Ingo Molnar <mingo@kernel.org> | Sun Mar 08 09:58:15 2020 +0100 |
| tree | 6d1ed220408fc63b2246560ddc88b1f789a7a0dd | |
| parent | 3cdcd6899eaf454b2539c624fff5daf63c175a7a [diff] |
efi/x86: Respect 32-bit ABI in efi32_pe_entry() verify_cpu() clobbers BX and DI. In case we have to return error, we need to preserve them to respect the 32-bit calling convention. Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20200301230436.2246909-3-nivedita@alum.mit.edu Link: https://lore.kernel.org/r/20200308080859.21568-11-ardb@kernel.org