Searched hist:"8 dbce53cc249a76e9450708d291fce5a7e29c6a1" (Results 1 – 2 of 2) sorted by relevance
/openbmc/linux/arch/powerpc/platforms/pseries/ |
H A D | hotplug-cpu.c | diff 8dbce53cc249a76e9450708d291fce5a7e29c6a1 Sun Feb 28 20:58:09 CST 2010 Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> powerpc: Reset kernel stack on cpu online from cede state
Cpu hotplug (offline) without dlpar operation will place cpu in cede state and the extended_cede_processor() function will return when resumed.
Kernel stack pointer needs to be reset before start_secondary() is called to continue the online operation.
Added new function start_secondary_resume() to do the above steps.
Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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/openbmc/linux/arch/powerpc/kernel/ |
H A D | head_64.S | diff 8dbce53cc249a76e9450708d291fce5a7e29c6a1 Sun Feb 28 20:58:09 CST 2010 Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> powerpc: Reset kernel stack on cpu online from cede state
Cpu hotplug (offline) without dlpar operation will place cpu in cede state and the extended_cede_processor() function will return when resumed.
Kernel stack pointer needs to be reset before start_secondary() is called to continue the online operation.
Added new function start_secondary_resume() to do the above steps.
Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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