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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2012-07-30 14:40:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-30 17:25:14 -0700
commit31550a16a5d2af859e8a11839e8c6c6c9c92dfa7 (patch)
treeb38c5921bfeecdfc24e3146b15e21360a490e19e /MAINTAINERS
parent3715c5309f6d175c3053672b73fd4f73be16fd07 (diff)
downloadop-kernel-dev-31550a16a5d2af859e8a11839e8c6c6c9c92dfa7.zip
op-kernel-dev-31550a16a5d2af859e8a11839e8c6c6c9c92dfa7.tar.gz
vsprintf: add support of '%*ph[CDN]'
There are many places in the kernel where the drivers print small buffers as a hex string. This patch adds a support of the variable width buffer to print it as a hex string with a delimiter. The idea came from Pavel Roskin here: http://www.digipedia.pl/usenet/thread/18835/17449/ Sample output of pr_info("buf[%d:%d] %*phC\n", from, len, len, &buf[from]); could be look like this: [ 0.726130] buf[51:8] e8:16:b6:ef:e3:74:45:6e [ 0.750736] buf[59:15] 31:81:b8:3f:35:49:06:ae:df:32:06:05:4a:af:55 [ 0.757602] buf[17:5] ac:16:d5:2c:ef Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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