From 2889ffa84ec4737b651b14c3ce019c5005d0dd9c Mon Sep 17 00:00:00 2001 From: Adin Scannell Date: Mon, 10 Feb 2020 14:09:14 -0800 Subject: Add context to note. PiperOrigin-RevId: 294300040 --- pkg/sentry/arch/arch_amd64.s | 7 ++++--- 1 file 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) -- cgit v1.2.3