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| author | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2020-01-30 10:40:01 +0000 |
|---|---|---|
| committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2020-01-31 10:00:48 +0000 |
| commit | 2cd01a1df2afc16ada1ce8479fbf888a803270ea (patch) | |
| tree | 349c18d8bcf3a9bb81dd36e75346f3d7299eeb76 | |
| parent | 9baa46aa7b1aa56c8fb313013bb9aecf4ed96504 (diff) | |
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Add NEWS entry about 64-bit time_t syscall use on 32-bit targets
This internal change ideally should not affect the public API or ABI,
but there is a widespread use of seccomp sandboxes, even on 32-bit
targets, that don't handle new Linux syscall usage well, so it's
worth mentioning in the NEWS.
Co-authored-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
| -rw-r--r-- | NEWS | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -124,6 +124,13 @@ Deprecated and removed features, and other changes affecting compatibility: The GNU C Library can be built with --enable-kernel=4.8.0 in order to keep a non-executable stack while dropping support for older kernels. +* System call wrappers for time system calls now use the new time64 system + calls when available. On 32-bit targets, these wrappers attempt to call + the new system calls first and fall back to the older 32-bit time system + calls if they are not present. This may cause issues in environments + that cannot handle unsupported system calls gracefully by returning + -ENOSYS. Seccomp sandboxes are affected by this issue. + Changes to build and runtime requirements: * It is no longer necessary to have recent Linux kernel headers to build |