diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-05-11 09:33:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-11 09:50:02 +0200 |
| commit | 7a309490da98981558a07183786201f02a6341e2 (patch) | |
| tree | 204bfd3bc344dbb02be0b1eac29b956f6722e661 /Documentation/filesystems/caching/cachefiles.txt | |
| parent | 9a8709d44139748fe2e0ab56d20d8c384c8b65ad (diff) | |
| parent | 091bf7624d1c90cec9e578a18529f615213ff847 (diff) | |
Merge commit 'v2.6.30-rc5' into x86/apic
Merge reason: this branch was on a .30-rc2 base - sync it up with
all the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/filesystems/caching/cachefiles.txt')
| -rw-r--r-- | Documentation/filesystems/caching/cachefiles.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/filesystems/caching/cachefiles.txt b/Documentation/filesystems/caching/cachefiles.txt index c78a49b7bba..748a1ae49e1 100644 --- a/Documentation/filesystems/caching/cachefiles.txt +++ b/Documentation/filesystems/caching/cachefiles.txt @@ -407,7 +407,7 @@ A NOTE ON SECURITY ================== CacheFiles makes use of the split security in the task_struct. It allocates -its own task_security structure, and redirects current->act_as to point to it +its own task_security structure, and redirects current->cred to point to it when it acts on behalf of another process, in that process's context. The reason it does this is that it calls vfs_mkdir() and suchlike rather than @@ -429,9 +429,9 @@ This means it may lose signals or ptrace events for example, and affects what the process looks like in /proc. So CacheFiles makes use of a logical split in the security between the -objective security (task->sec) and the subjective security (task->act_as). The -objective security holds the intrinsic security properties of a process and is -never overridden. This is what appears in /proc, and is what is used when a +objective security (task->real_cred) and the subjective security (task->cred). +The objective security holds the intrinsic security properties of a process and +is never overridden. This is what appears in /proc, and is what is used when a process is the target of an operation by some other process (SIGKILL for example). |