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author | Jari Vetoniemi <mailroxas@gmail.com> | 2018-10-21 16:26:08 +0300 |
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committer | Jari Vetoniemi <mailroxas@gmail.com> | 2018-10-21 16:26:08 +0300 |
commit | f168742fd9c0453ba7270c365838da1d75eeb6c0 (patch) | |
tree | 18259edc1c577bacac9164a8af68b6a0857a05b8 | |
parent | 75f9922f6d3c1e5bbbe7b90ca170392cc0f5efbc (diff) |
Add notes about uio
-rw-r--r-- | src/uio-address-rw.c | 2 | ||||
-rw-r--r-- | 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 |