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Indent the C preprocessor directives to reflect their nesting
using the following script:
$ cppi -l $(git grep -El '^[[:space:]]*#[[:space:]]*(if|ifdef|ifndef|elif|else|endif|define|pragma)[[:space:]]' |grep -v '\.sh$') |while read f; do
cppi < "$f" > "$f".cppi; mv "$f".cppi "$f"
done
strace is now provided under the terms of the GNU Lesser General
Public License version 2.1 or later, see COPYING for more details.
strace test suite is now provided under the terms of the GNU General
Public License version 2 or later, see tests/COPYING for more details.
Make userfaultfd ioctl handling more in line with other ioctl decoders.
* userfaultfd.c (uffdio_ioctl): Return RVAL_DECODED | 1, break instead
of returning in specific command handlers, return 0 on entering paths,
move exiting paths out of else branch of entering(tcp) condition.
* xlat/uffd_api_features.in: New file.
* userfaultfd.c: Include "xlat/uffd_api_features.h".
(uffdio_ioctl): Print struct uffdio_api.features using
PRINT_FIELD_FLAGS64 and uffd_api_features.
* NEWS: Mention this.
* tests/ioctl_uffdio.c: Include "xlat.h" and "xlat/uffd_api_features.h".
(main): Update expected output.
As struct uffdio_api.features has read-write semantics,
print the value returned by the kernel only when it differs
from the value passed to the kernel.
* userfaultfd.c (uffdio_ioctl) <UFFDIO_API>: On entering syscall,
save the value of struct uffdio_api.features. On exiting syscall, do
not print struct uffdio_api.features when it's the same as on entering.
* tests/ioctl_uffdio.c (main): Update expected output.
This also fixes output correctness for struct uffdio_api.features.
* userfaultfd.c: Include "print_fields.h".
(tprintf_uffdio_range): Use PRINT_FIELD_X.
(PRINT_FIELD_UFFDIO_RANGE): New macro.
(uffdio_ioctl): Use it, PRINT_FIELD_FLAGS64, and PRINT_FIELD_X.
* tests/ioctl_uffdio.c (main): Update expected output.
Remove temporary types created for transition from long
to kernel_ulong_t.
Automatically replace kernel_scno_t and kernel_ureg_t with
kernel_ulong_t using
$ git grep -El 'kernel_(scno|ureg)_t' |
xargs sed -ri 's/kernel_(scno|ureg)_t/kernel_ulong_t/g'
* kernel_types.h (kernel_scno_t, kernel_ureg_t): Remove.
All users updated.
* defs.h (DECL_IOCTL): Change arg type from long to kernel_ureg_t.
* dm.c (dm_known_ioctl, dm_ioctl): Likewise.
* file_ioctl.c (file_ioctl): Likewise.
* fs_x_ioctl.c (fs_x_ioctl): Likewise.
* ioctl.c (ioctl_decode): Likewise.
* loop.c (decode_loop_info, decode_loop_info64): Change addr type
from long to kernel_ureg_t.
(loop_ioctl): Change arg type from long to kernel_ureg_t.
* ptp.c (ptp_ioctl): Likewise.
* scsi.c (print_sg_io_v3_req, print_sg_io_v3_res, print_sg_io_v4_req,
print_sg_io_v4_res, scsi_ioctl): Likewise.
* sock.c (print_ifreq, sock_ioctl): Likewise.
(decode_ifconf): Change addr type from long to kernel_ureg_t.
* term.c (decode_termios, decode_termio, decode_winsize, decode_ttysize,
decode_modem_flags): Likewise.
(term_ioctl): Change arg type from long to kernel_ureg_t.
* ubi.c (ubi_ioctl): Likewise.
* userfaultfd.c (uffdio_ioctl): Likewise.
Decode the ioctls associated with the userfaultfd fd.
Note that they tend to read from and also return result in it's data
structure.
* configure.ac (AC_CHECK_HEADERS): Add linux/userfaultfd.h.
* userfaultfd.c [HAVE_LINUX_USERFAULTFD_H]: Add ioctl decoder.
* defs.h (uffdio_ioctl): New prototype.
* ioctl.c (ioctl_decode) [HAVE_LINUX_USERFAULTFD_H]: Wire in
uffdio_ioctl.
* xlat/uffd_*.in: Create flag xlat for all the IOCTLs.
Before this change, all files that exist since 20th century had
copyright headers, while most files that appeared later didn't. This
change fixes the inconsistency by adding missing copyright headers.
It doesn't mean that copyright headers became maintained. In my view,
git history provides much better information on this subject and is much
more accurate than copyright headers.
