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[v6,6/6] doc/kernel-parameters.txt: add early_ioremap_debug

Message ID 1394384444-23182-7-git-send-email-msalter@redhat.com
State Accepted
Commit 56aeeba8c1a21211aebe724a623acafe760912a2
Headers show

Commit Message

Mark Salter March 9, 2014, 5 p.m. UTC
Add description of early_ioremap_debug kernel parameter.

Signed-off-by: Mark Salter <msalter@redhat.com>
---
 Documentation/kernel-parameters.txt | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7116fda..de1d10e 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -870,6 +870,11 @@  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]