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| author | Nikolay Borisov <nik.borisov@suse.com> | 2023-05-05 15:03:32 +0300 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-05-23 07:01:45 -0700 |
| commit | 122333d6bd229af279cdb35d1b874b71b3b9ccfb (patch) | |
| tree | f4063006f36a62e8856ddcd85886491947d87ae9 /arch/x86/coco/tdx | |
| parent | 44c026a73be8038f03dbdeef028b642880cf1511 (diff) | |
| download | linux-stable-122333d6bd229af279cdb35d1b874b71b3b9ccfb.tar.gz linux-stable-122333d6bd229af279cdb35d1b874b71b3b9ccfb.tar.bz2 linux-stable-122333d6bd229af279cdb35d1b874b71b3b9ccfb.zip | |
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 <nik.borisov@suse.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/all/20230505120332.1429957-1-nik.borisov%40suse.com
Diffstat (limited to 'arch/x86/coco/tdx')
| -rw-r--r-- | arch/x86/coco/tdx/tdx.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c index e146b599260f..15569bd32ed5 100644 --- a/arch/x86/coco/tdx/tdx.c +++ b/arch/x86/coco/tdx/tdx.c @@ -76,17 +76,6 @@ noinstr void __tdx_hypercall_failed(void) panic("TDVMCALL failed. TDX module bug?"); } -/* - * The TDG.VP.VMCALL-Instruction-execution sub-functions are defined - * independently from but are currently matched 1:1 with VMX EXIT_REASONs. - * Reusing the KVM EXIT_REASON macros makes it easier to connect the host and - * guest sides of these calls. - */ -static __always_inline u64 hcall_func(u64 exit_reason) -{ - return exit_reason; -} - #ifdef CONFIG_KVM_GUEST long tdx_kvm_hypercall(unsigned int nr, unsigned long p1, unsigned long p2, unsigned long p3, unsigned long p4) |