On Tue, 2016-08-09 at 19:01 +0200, Geert Uytterhoeven wrote: > On Fri, Jun 24, 2016 at 5:46 AM, Joe Perches <j...@perches.com> wrote: > > Using functions instead of macros can reduce overall code size > > by eliminating unnecessary "KERN_SOH" prefixes from > > format strings. > This change, commit 874f9c7da9a4acbc1 upstream, seems to have an > (unintendent?) side-effect. > > Before, pr_*() calls without a trailing newline characters would be printed > with a newline character appended, both on the console and in the output > of the dmesg command. > After this commit, no new line character is appended, and the output of > the next pr_*() call of the same type may be appended, like in: > > - Truncating RAM at 0x0000000040000000-0x00000000c0000000 to > -0x0000000070000000 > - Ignoring RAM at 0x0000000200000000-0x0000000240000000 (!CONFIG_HIGHMEM) > + Truncating RAM at 0x0000000040000000-0x00000000c0000000 to > -0x0000000070000000Ignoring RAM at > 0x0000000200000000-0x0000000240000000 (!CONFIG_HIGHMEM) > > I don't know why this is happening, hence I had to use git bisect to find > the offending commit.
The newline handling code inside vprintk_emit is a bit involved and for now I suggest a revert until this has all the same behavior as earlier.