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As requested by Ricardo and Jakub, implement report and context modes for the secs_to_jiffies Coccinelle script. While here, add the option to look for opportunities to use secs_to_jiffies() in headers. Link: https://lkml.kernel.org/r/20250703225145.152288-1-eahariha@linux.microsoft.com Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com> Closes: https://lore.kernel.org/all/20250129-secs_to_jiffles-v1-1-35a5e16b9f03@chromium.org/ Closes: https://lore.kernel.org/all/20250221162107.409ae333@kernel.org/ Tested-by: Ricardo Ribalda <ribalda@chromium.org> Cc: Julia Lawall <julia.lawall@inria.fr> Cc: Nicolas Palix <nicolas.palix@imag.fr> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Ricardo Ribalda <ribalda@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
71 lines
1.3 KiB
Text
71 lines
1.3 KiB
Text
// SPDX-License-Identifier: GPL-2.0-only
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///
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/// Find usages of:
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/// - msecs_to_jiffies(value*1000)
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/// - msecs_to_jiffies(value*MSEC_PER_SEC)
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///
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// Confidence: High
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// Copyright: (C) 2024 Easwar Hariharan, Microsoft
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// Keywords: secs, seconds, jiffies
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// Options: --include-headers
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virtual patch
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virtual report
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virtual context
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@pconst depends on patch@ constant C; @@
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- msecs_to_jiffies(C * 1000)
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+ secs_to_jiffies(C)
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@pconstms depends on patch@ constant C; @@
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- msecs_to_jiffies(C * MSEC_PER_SEC)
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+ secs_to_jiffies(C)
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@pexpr depends on patch@ expression E; @@
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- msecs_to_jiffies(E * 1000)
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+ secs_to_jiffies(E)
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@pexprms depends on patch@ expression E; @@
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- msecs_to_jiffies(E * MSEC_PER_SEC)
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+ secs_to_jiffies(E)
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@r depends on report && !patch@
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constant C;
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expression E;
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position p;
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@@
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(
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msecs_to_jiffies(C@p * 1000)
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msecs_to_jiffies(C@p * MSEC_PER_SEC)
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msecs_to_jiffies(E@p * 1000)
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msecs_to_jiffies(E@p * MSEC_PER_SEC)
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)
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@c depends on context && !patch@
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constant C;
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expression E;
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@@
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(
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* msecs_to_jiffies(C * 1000)
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* msecs_to_jiffies(C * MSEC_PER_SEC)
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* msecs_to_jiffies(E * 1000)
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* msecs_to_jiffies(E * MSEC_PER_SEC)
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)
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@script:python depends on report@
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p << r.p;
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@@
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coccilib.report.print_report(p[0], "WARNING opportunity for secs_to_jiffies()")
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