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authorGautham R Shenoy <ego@in.ibm.com>2009-12-10 02:19:37 +0100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-18 04:54:26 +0100
commite9edb232d3b0848457a83a5b697f55264542892f (patch)
tree1881524953c51d458d85d218576bbc15f0de715a /arch
parentpowerpc/mm: Fix a WARN_ON() with CONFIG_DEBUG_PAGEALLOC and CONFIG_DEBUG_VM (diff)
downloadlinux-e9edb232d3b0848457a83a5b697f55264542892f.tar.xz
linux-e9edb232d3b0848457a83a5b697f55264542892f.zip
powerpc/pseries: Don't panic when H_PROD fails during cpu-online.
If an online-attempt on a CPU which has been offlined using H_CEDE with an appropriate cede latency hint fails, don't panic. Instead print the error message and let the __cpu_up() code notify the CPU Hotplug framework of the failure, which in turn can notify the other subsystem through CPU_UP_CANCELED. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/platforms/pseries/smp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 8868c012268a..b4886635972c 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -144,8 +144,8 @@ static void __devinit smp_pSeries_kick_cpu(int nr)
hcpuid = get_hard_smp_processor_id(nr);
rc = plpar_hcall_norets(H_PROD, hcpuid);
if (rc != H_SUCCESS)
- panic("Error: Prod to wake up processor %d Ret= %ld\n",
- nr, rc);
+ printk(KERN_ERR "Error: Prod to wake up processor %d\
+ Ret= %ld\n", nr, rc);
}
}