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authorMichael Ellerman <mpe@ellerman.id.au>2017-11-10 20:55:03 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2017-11-10 20:55:03 +1100
commita54c61f46e25345e99eec06a402f746fe33febc6 (patch)
tree23f59fe8702aaf90802cef6f25e76c15211747e1 /arch/powerpc/sysdev
parent77fad8bfb1d2f8225b05e4ea34457875fcfae37e (diff)
parent7ecb37f62fe58e3e4d9b03443b92d213b2c108ce (diff)
downloadlinux-a54c61f46e25345e99eec06a402f746fe33febc6.tar.bz2
Merge branch 'fixes' into next
We have some dependencies & conflicts between patches in fixes and things to go in next, both in the radix TLB flush code and the IMC PMU driver. So merge fixes into next.
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r--arch/powerpc/sysdev/xive/common.c8
-rw-r--r--arch/powerpc/sysdev/xive/spapr.c4
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index f387318678b9..a3b8d7d1316e 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -1402,6 +1402,14 @@ void xive_teardown_cpu(void)
if (xive_ops->teardown_cpu)
xive_ops->teardown_cpu(cpu, xc);
+
+#ifdef CONFIG_SMP
+ /* Get rid of IPI */
+ xive_cleanup_cpu_ipi(cpu, xc);
+#endif
+
+ /* Disable and free the queues */
+ xive_cleanup_cpu_queues(cpu, xc);
}
void xive_kexec_teardown_cpu(int secondary)
diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
index f24a70bc6855..d9c4c9366049 100644
--- a/arch/powerpc/sysdev/xive/spapr.c
+++ b/arch/powerpc/sysdev/xive/spapr.c
@@ -431,7 +431,11 @@ static int xive_spapr_get_ipi(unsigned int cpu, struct xive_cpu *xc)
static void xive_spapr_put_ipi(unsigned int cpu, struct xive_cpu *xc)
{
+ if (!xc->hw_ipi)
+ return;
+
xive_irq_bitmap_free(xc->hw_ipi);
+ xc->hw_ipi = 0;
}
#endif /* CONFIG_SMP */