x86/decompressor: Use standard calling convention for trampoline
commit 918a7a04 upstream. Update the trampoline code so its arguments are passed via RDI and RSI, which matches the ordinary SysV calling convention for x86_64. This will allow this code to be called directly from C. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Link: https://lore.kernel.org/r/20230807162720.545787-11-ardb@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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