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| author |   Ira Weiny <ira.weiny@intel.com> | 2024-10-25 19:46:54 -0500 |
|---|---|---|
| committer |   Dave Jiang <dave.jiang@intel.com> | 2024-10-28 14:30:52 -0700 |
| commit | 3dff66ff8367cd4dabb6a34633e55324c281348a (patch) | |
| tree | 16e90ae9b7916ea081f2efd0367950325ed296bb | |
| parent | test printf: Add very basic struct resource tests (diff) | |
| download | wireguard-linux-3dff66ff8367cd4dabb6a34633e55324c281348a.tar.xz wireguard-linux-3dff66ff8367cd4dabb6a34633e55324c281348a.zip | |
Documentation/printf: struct resource add start == end special case
The code when printing a struct resource will check for start == end and
only print the start value.
Document this special case.
Suggested-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20241025-cxl-pra-v2-2-123a825daba2@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
| -rw-r--r-- | Documentation/core-api/printk-formats.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst index 14e093da3ccd..552f51046cf3 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. |