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docs/devel/tracing: Update trace.h creation rune to include SPDX

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checkpatch now checks that new files have an SPDX line. If you use the
shell rune in tracing.rst to create a trace.h wrapper header, this
triggers checkpatch to complain.

Although these files are tiny, it's worth having the SPDX line to
avoid having to add extra exception cases to checkpatch.

Update the rune to include creating an SPDX line.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Peter Maydell
2025-07-07 15:49:17 +01:00
committed by Michael Tokarev
parent 21f4c5a700
commit 0f55ca43cd
1 changed files with 1 additions and 1 deletions
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docs/devel/tracing.rst
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@@ -76,7 +76,7 @@ The "io/trace.h" file must be created manually with an #include of the
corresponding "trace/trace-<subdir>.h" file that will be generated in the
builddir::
$ echo '#include "trace/trace-io.h"' >io/trace.h
$ (echo '/* SPDX-License-Identifier: GPL-2.0-or-later */' ; echo '#include "trace/trace-io.h"') >io/trace.h
While it is possible to include a trace.h file from outside a source file's own
sub-directory, this is discouraged in general. It is strongly preferred that