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Diffstat (limited to 'Documentation/core-api/printk-formats.rst')
-rw-r--r-- | Documentation/core-api/printk-formats.rst | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst index 4451ef501936..ecccc0473da9 100644 --- a/Documentation/core-api/printk-formats.rst +++ b/Documentation/core-api/printk-formats.rst @@ -209,12 +209,17 @@ Struct Resources :: %pr [mem 0x60000000-0x6fffffff flags 0x2200] or + [mem 0x60000000 flags 0x2200] or [mem 0x0000000060000000-0x000000006fffffff flags 0x2200] + [mem 0x0000000060000000 flags 0x2200] %pR [mem 0x60000000-0x6fffffff pref] or + [mem 0x60000000 pref] or [mem 0x0000000060000000-0x000000006fffffff pref] + [mem 0x0000000060000000 pref] For printing struct resources. The ``R`` and ``r`` specifiers result in a -printed resource with (R) or without (r) a decoded flags member. +printed resource with (R) or without (r) a decoded flags member. If start is +equal to end only print the start value. Passed by reference. @@ -231,6 +236,19 @@ width of the CPU data path. Passed by reference. +Struct Range +------------ + +:: + + %pra [range 0x0000000060000000-0x000000006fffffff] or + [range 0x0000000060000000] + +For printing struct range. struct range holds an arbitrary range of u64 +values. If start is equal to end only print the start value. + +Passed by reference. + DMA address types dma_addr_t ---------------------------- @@ -576,13 +594,12 @@ The field width is passed by value, the bitmap is passed by reference. Helper macros cpumask_pr_args() and nodemask_pr_args() are available to ease printing cpumask and nodemask. -Flags bitfields such as page flags, page_type, gfp_flags +Flags bitfields such as page flags and gfp_flags -------------------------------------------------------- :: %pGp 0x17ffffc0002036(referenced|uptodate|lru|active|private|node=0|zone=2|lastcpupid=0x1fffff) - %pGt 0xffffff7f(buddy) %pGg GFP_USER|GFP_DMA32|GFP_NOWARN %pGv read|exec|mayread|maywrite|mayexec|denywrite @@ -591,7 +608,6 @@ would construct the value. The type of flags is given by the third character. Currently supported are: - p - [p]age flags, expects value of type (``unsigned long *``) - - t - page [t]ype, expects value of type (``unsigned int *``) - v - [v]ma_flags, expects value of type (``unsigned long *``) - g - [g]fp_flags, expects value of type (``gfp_t *``) |