diff options
Diffstat (limited to 'Documentation/highuid.txt')
| -rw-r--r-- | Documentation/highuid.txt | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/Documentation/highuid.txt b/Documentation/highuid.txt index 6bad6f1d1cac..6ee70465c0ea 100644 --- a/Documentation/highuid.txt +++ b/Documentation/highuid.txt @@ -1,4 +1,9 @@ -Notes on the change from 16-bit UIDs to 32-bit UIDs: +=================================================== +Notes on the change from 16-bit UIDs to 32-bit UIDs +=================================================== + +:Author: Chris Wing <wingc@umich.edu> +:Last updated: January 11, 2000 - kernel code MUST take into account __kernel_uid_t and __kernel_uid32_t when communicating between user and kernel space in an ioctl or data @@ -28,30 +33,34 @@ What's left to be done for 32-bit UIDs on all Linux architectures: uses the 32-bit UID system calls properly otherwise. This affects at least: - iBCS on Intel - sparc32 emulation on sparc64 - (need to support whatever new 32-bit UID system calls are added to - sparc32) + - iBCS on Intel + + - sparc32 emulation on sparc64 + (need to support whatever new 32-bit UID system calls are added to + sparc32) - Validate that all filesystems behave properly. At present, 32-bit UIDs _should_ work for: - ext2 - ufs - isofs - nfs - coda - udf + + - ext2 + - ufs + - isofs + - nfs + - coda + - udf Ioctl() fixups have been made for: - ncpfs - smbfs + + - ncpfs + - smbfs Filesystems with simple fixups to prevent 16-bit UID wraparound: - minix - sysv - qnx4 + + - minix + - sysv + - qnx4 Other filesystems have not been checked yet. @@ -69,9 +78,3 @@ What's left to be done for 32-bit UIDs on all Linux architectures: - make sure that the UID mapping feature of AX25 networking works properly (it should be safe because it's always used a 32-bit integer to communicate between user and kernel) - - -Chris Wing -wingc@umich.edu - -last updated: January 11, 2000 |