From 01bef10a33e9d4e1dc9f14258ef5b1f144544741 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Mon, 14 Apr 2025 02:49:08 -0400 Subject: ideas: kport: Add concept of shadow byte regions Signed-off-by: Ian Moffett --- share/docs/ideas/kport.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/share/docs/ideas/kport.txt b/share/docs/ideas/kport.txt index b9ffc6d..de3a4b0 100644 --- a/share/docs/ideas/kport.txt +++ b/share/docs/ideas/kport.txt @@ -73,4 +73,7 @@ Description: KPORT facilitates seamless low-latency access to dedicated - The kport pool MUST have no low-level memory caching Notes: The shadow layer exists as a sandbox to isolate the backing resource - between itself and the kport layer. + between itself and the kport layer. It SHOULD contain a "shadow byte region" + (SBR), that is, an area reserved for shadow bytes used to detect clobbering + and allowing the kernel to respond accordingly (i.e., defer next write-back + and kill the process, among other things...) -- cgit v1.2.3