Skip to contentSkip to conversation

Add documentation for "nohlt" kernel parameter

PATCH Superseded Paulius Zaleckas 2 participants 2 messages Mar 6, 2009

Subsystems (2)
Documentation SuperH

v1 of 2 Superseded Latest is v2 →

lore
Share & tools
lore

Paulius Zaleckas

author
#0 lore raw

PATCH 1/1 Add documentation for "nohlt" kernel parameter

As per discussion in:
http://marc.info/?l=linux-arm-kernel&m3633652517391&w=2

Signed-off-by Paulius Zaleckas <[email protected]>

---

 Documentation/kernel-parameters.txt |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
Documentation/kernel-parameters.txt +3 -1
index 54f21a5..de06666 100644
@@ -1487,7 +1487,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	noclflush	[BUGS=X86] Don't use the CLFLUSH instruction
 
-	nohlt		[BUGS=ARM,SH]
+	nohlt		[BUGS=ARM,SH] Tells the kernel that the sleep(SH) or
+			wfi(ARM) instruction doesn't work correctly and not to
+			use it. This is also usefull when using JTAG debugger.
 
 	no-hlt		[BUGS=X86-32] Tells the kernel that the hlt
 			instruction doesn't work correctly and not to
#1 lore raw
Quoted 15 lines · Paulius Zaleckas

As per discussion in:
http://marc.info/?l=linux-arm-kernel&m=123633652517391&w=2

Signed-off-by Paulius Zaleckas <[email protected]>

---

 Documentation/kernel-parameters.txt |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
Documentation/kernel-parameters.txt +0 -0
index 54f21a5..de06666 100644

Documentation/kernel-parameters.txt and is between 256 and 4096 characters. It is defined in the file · line 1492

Quoted 7 lines
Documentation/kernel-parameters.txt +3 -1
@@ -1487,7 +1487,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	noclflush	[BUGS=X86] Don't use the CLFLUSH instruction
 
-	nohlt		[BUGS=ARM,SH]
+	nohlt		[BUGS=ARM,SH] Tells the kernel that the sleep(SH) or
+			wfi(ARM) instruction doesn't work correctly and not to
+			use it. This is also usefull when using JTAG debugger.

useful

Quoted 3 lines
Documentation/kernel-parameters.txt +0 -0
 	no-hlt		[BUGS=X86-32] Tells the kernel that the hlt
 			instruction doesn't work correctly and not to
Signature · 1 line
~Randy