From 122333d6bd229af279cdb35d1b874b71b3b9ccfb Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Fri, 5 May 2023 15:03:32 +0300 Subject: x86/tdx: Wrap exit reason with hcall_func() TDX reuses VMEXIT "reasons" in its guest->host hypercall ABI. This is confusing because there might not be a VMEXIT involved at *all*. These instances are supposed to document situation and reduce confusion by wrapping VMEXIT reasons with hcall_func(). The decompression code does not follow this convention. Unify the TDX decompression code with the other TDX use of VMEXIT reasons. No functional changes. Signed-off-by: Nikolay Borisov Signed-off-by: Dave Hansen Acked-by: Kirill A. Shutemov Link: https://lore.kernel.org/all/20230505120332.1429957-1-nik.borisov%40suse.com --- arch/x86/boot/compressed/tdx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/x86/boot') diff --git a/arch/x86/boot/compressed/tdx.c b/arch/x86/boot/compressed/tdx.c index 2d81d3cc72a1..8841b945a1e2 100644 --- a/arch/x86/boot/compressed/tdx.c +++ b/arch/x86/boot/compressed/tdx.c @@ -20,7 +20,7 @@ static inline unsigned int tdx_io_in(int size, u16 port) { struct tdx_hypercall_args args = { .r10 = TDX_HYPERCALL_STANDARD, - .r11 = EXIT_REASON_IO_INSTRUCTION, + .r11 = hcall_func(EXIT_REASON_IO_INSTRUCTION), .r12 = size, .r13 = 0, .r14 = port, @@ -36,7 +36,7 @@ static inline void tdx_io_out(int size, u16 port, u32 value) { struct tdx_hypercall_args args = { .r10 = TDX_HYPERCALL_STANDARD, - .r11 = EXIT_REASON_IO_INSTRUCTION, + .r11 = hcall_func(EXIT_REASON_IO_INSTRUCTION), .r12 = size, .r13 = 1, .r14 = port, -- cgit v1.2.3