Use newly introduced TDCALL_0() instead of __tdcall() to issue PAGE_ACCEPT tdcall.
It cuts code bloat substantially: Function old new delta tdx_accept_memory 592 233 -359 Signed-off-by: Kirill A. Shutemov <[email protected]> --- arch/x86/coco/tdx/tdx-shared.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/coco/tdx/tdx-shared.c b/arch/x86/coco/tdx/tdx-shared.c index 1655aa56a0a5..9104e96eeefd 100644 --- a/arch/x86/coco/tdx/tdx-shared.c +++ b/arch/x86/coco/tdx/tdx-shared.c @@ -5,8 +5,8 @@ static unsigned long try_accept_one(phys_addr_t start, unsigned long len, enum pg_level pg_level) { unsigned long accept_size = page_level_size(pg_level); - struct tdx_module_args args = {}; u8 page_size; + u64 ret; if (!IS_ALIGNED(start, accept_size)) return 0; @@ -34,8 +34,8 @@ static unsigned long try_accept_one(phys_addr_t start, unsigned long len, return 0; } - args.rcx = start | page_size; - if (__tdcall(TDG_MEM_PAGE_ACCEPT, &args)) + ret = TDCALL_0(TDG_MEM_PAGE_ACCEPT, start | page_size, 0, 0, 0); + if (ret) return 0; return accept_size; -- 2.43.0
