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authorMark Salter <msalter@redhat.com>2014-04-07 15:39:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 16:36:15 -0700
commit56aeeba8c1a21211aebe724a623acafe760912a2 (patch)
treebf5a55f280d758e73b037abae1b41faf95431b30 /Documentation/kernel-parameters.txt
parentbf4b558eba920a38f91beb5ee62a8ce2628c92f7 (diff)
doc/kernel-parameters.txt: add early_ioremap_debug
Add description of early_ioremap_debug kernel parameter. Signed-off-by: Mark Salter <msalter@redhat.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Young <dyoung@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index bc3478581f67..b6c67d592be5 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -884,6 +884,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
Enable debug messages at boot time. See
Documentation/dynamic-debug-howto.txt for details.
+ early_ioremap_debug [KNL]
+ Enable debug messages in early_ioremap support. This
+ is useful for tracking down temporary early mappings
+ which are not unmapped.
+
earlycon= [KNL] Output early console device and options.
uart[8250],io,<addr>[,options]
uart[8250],mmio,<addr>[,options]