Merge remote-tracking branch 'tegra/for-next'

[karo-tx-linux.git] / Documentation / printk-formats.txt

diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index 3e8cb73ac43c2be41b7537c156f7d87a1efbba90..445ad743ec814ee4571c175884d3ccce4ffda11a 100644 (file)
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -97,7 +97,7 @@ IPv4 addresses:
 
        %pI4    1.2.3.4
        %pi4    001.002.003.004
 
        %pI4    1.2.3.4
        %pi4    001.002.003.004

-       %p[Ii][hnbl]
+       %p[Ii]4[hnbl]

 
        For printing IPv4 dot-separated decimal addresses. The 'I4' and 'i4'
        specifiers result in a printed address with ('i4') or without ('I4')
 
        For printing IPv4 dot-separated decimal addresses. The 'I4' and 'i4'
        specifiers result in a printed address with ('i4') or without ('I4')


@@ -168,6 +168,15 @@ UUID/GUID addresses:
        Where no additional specifiers are used the default little endian
        order with lower case hex characters will be printed.
 
        Where no additional specifiers are used the default little endian
        order with lower case hex characters will be printed.
 

+dentry names:
+       %pd{,2,3,4}
+       %pD{,2,3,4}
+
+       For printing dentry name; if we race with d_move(), the name might be
+       a mix of old and new ones, but it won't oops.  %pd dentry is a safer
+       equivalent of %s dentry->d_name.name we used to use, %pd<n> prints
+       n last components.  %pD does the same thing for struct file.
+

 struct va_format:
 
        %pV
 struct va_format:
 
        %pV


@@ -185,11 +194,11 @@ struct va_format:
 
 u64 SHOULD be printed with %llu/%llx, (unsigned long long):
 
 
 u64 SHOULD be printed with %llu/%llx, (unsigned long long):
 

-       printk("%llu", (unsigned long long)u64_var);
+       printk("%llu", u64_var);

 
 s64 SHOULD be printed with %lld/%llx, (long long):
 
 
 s64 SHOULD be printed with %lld/%llx, (long long):
 

-       printk("%lld", (long long)s64_var);
+       printk("%lld", s64_var);

 
 If <type> is dependent on a config option for its size (e.g., sector_t,
 blkcnt_t) or is architecture-dependent for its size (e.g., tcflag_t), use a
 
 If <type> is dependent on a config option for its size (e.g., sector_t,
 blkcnt_t) or is architecture-dependent for its size (e.g., tcflag_t), use a