Date: Sun, 25 Feb 2018 10:26:44 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r329962 - stable/11/sys/compat/linuxkpi/common/include/linux Message-ID: <201802251026.w1PAQiOt013101@repo.freebsd.org>
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Author: hselasky Date: Sun Feb 25 10:26:44 2018 New Revision: 329962 URL: https://svnweb.freebsd.org/changeset/base/329962 Log: MFC r329470: Add support for printk_ratelimit() function macro and improve the existing printk_ratelimited() function macro to return a boolean stating if there was a printout, true, or not, false. Submitted by: Johannes Lundberg <johalun0@gmail.com> Sponsored by: Mellanox Technologies Modified: stable/11/sys/compat/linuxkpi/common/include/linux/printk.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/compat/linuxkpi/common/include/linux/printk.h ============================================================================== --- stable/11/sys/compat/linuxkpi/common/include/linux/printk.h Sun Feb 25 10:25:47 2018 (r329961) +++ stable/11/sys/compat/linuxkpi/common/include/linux/printk.h Sun Feb 25 10:26:44 2018 (r329962) @@ -106,10 +106,16 @@ print_hex_dump_bytes(const char *prefix_str, const int print_hex_dump(NULL, prefix_str, prefix_type, 16, 1, buf, len, 0); } -#define printk_ratelimited(...) do { \ +#define printk_ratelimit() ({ \ static linux_ratelimit_t __ratelimited; \ - if (linux_ratelimited(&__ratelimited)) \ + linux_ratelimited(&__ratelimited); \ +}) + +#define printk_ratelimited(...) ({ \ + bool __retval = printk_ratelimit(); \ + if (__retval) \ printk(__VA_ARGS__); \ -} while (0) + __retval; \ +}) #endif /* _LINUX_PRINTK_H_ */
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