Searched hist:f7d98d18a01ece2863984d4fb5ae949b18b02715 (Results 1 – 3 of 3) sorted by relevance
| /linux/arch/powerpc/platforms/powernv/ |
| H A D | opal-wrappers.S | diff f7d98d18a01ece2863984d4fb5ae949b18b02715 Wed Jan 15 07:02:04 CET 2014 Vasant Hegde <hegdevasant@linux.vnet.ibm.com> powerpc/powernv: Call OPAL sync before kexec'ing
Its possible that OPAL may be writing to host memory during
kexec (like dump retrieve scenario). In this situation we might
end up corrupting host memory.
This patch makes OPAL sync call to make sure OPAL stops
writing to host memory before kexec'ing.
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
|
| H A D | setup.c | diff f7d98d18a01ece2863984d4fb5ae949b18b02715 Wed Jan 15 07:02:04 CET 2014 Vasant Hegde <hegdevasant@linux.vnet.ibm.com> powerpc/powernv: Call OPAL sync before kexec'ing
Its possible that OPAL may be writing to host memory during
kexec (like dump retrieve scenario). In this situation we might
end up corrupting host memory.
This patch makes OPAL sync call to make sure OPAL stops
writing to host memory before kexec'ing.
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
|
| /linux/arch/powerpc/include/asm/ |
| H A D | opal.h | diff f7d98d18a01ece2863984d4fb5ae949b18b02715 Wed Jan 15 07:02:04 CET 2014 Vasant Hegde <hegdevasant@linux.vnet.ibm.com> powerpc/powernv: Call OPAL sync before kexec'ing
Its possible that OPAL may be writing to host memory during
kexec (like dump retrieve scenario). In this situation we might
end up corrupting host memory.
This patch makes OPAL sync call to make sure OPAL stops
writing to host memory before kexec'ing.
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
|