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| author | Adin Scannell <ascannell@google.com> | 2020-02-10 14:09:14 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-02-10 14:11:52 -0800 |
| commit | 2889ffa84ec4737b651b14c3ce019c5005d0dd9c (patch) | |
| tree | 1a7b3cbeada576dd707708384e9a9ce5a0494d92 | |
| parent | 3e8b38d08bbe200a11909bc268e66e4ee1d27d79 (diff) | |
Add context to note.
PiperOrigin-RevId: 294300040
| -rw-r--r-- | pkg/sentry/arch/arch_amd64.s | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/pkg/sentry/arch/arch_amd64.s b/pkg/sentry/arch/arch_amd64.s index bd61402cf..6c10336e7 100644 --- a/pkg/sentry/arch/arch_amd64.s +++ b/pkg/sentry/arch/arch_amd64.s @@ -26,10 +26,11 @@ // // func initX86FPState(data *FloatingPointData, useXsave bool) // -// We need to clear out and initialize an empty fp state area since the sentry -// may have left sensitive information in the floating point registers. +// We need to clear out and initialize an empty fp state area since the sentry, +// or any previous loader, may have left sensitive information in the floating +// point registers. // -// Preconditions: data is zeroed +// Preconditions: data is zeroed. TEXT ·initX86FPState(SB), $24-16 // Save MXCSR (callee-save) STMXCSR mxcsr-8(SP) |