From f168742fd9c0453ba7270c365838da1d75eeb6c0 Mon Sep 17 00:00:00 2001 From: Jari Vetoniemi Date: Sun, 21 Oct 2018 16:26:08 +0300 Subject: Add notes about uio --- src/uio-address-rw.c | 2 +- src/uio-region-rw.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/uio-address-rw.c b/src/uio-address-rw.c index 1606fa4..e4915a5 100644 --- a/src/uio-address-rw.c +++ b/src/uio-address-rw.c @@ -3,7 +3,7 @@ // This address-rw uses uio // It needs recent kernel, but may be racy as it reads / writes while process is running. -// Ideal for realtime memory tools. +// Ideal for realtime memory tools, however uio can't write non-writable memory(!). // It's recommended to `setcap cap_sys_ptrace=eip uio-region-rw` to run this tool without sudo int diff --git a/src/uio-region-rw.c b/src/uio-region-rw.c index 1daa763..46dbbba 100644 --- a/src/uio-region-rw.c +++ b/src/uio-region-rw.c @@ -3,7 +3,7 @@ // This region-rw uses uio // It needs recent kernel, but may be racy as it reads / writes while process is running. -// Ideal for realtime memory tools. +// Ideal for realtime memory tools, however uio can't write non writable memory(!). // It's recommended to `setcap cap_sys_ptrace=eip uio-region-rw` to run this tool without sudo int -- cgit v1.2.3