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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2016-07-08 16:37:06 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-07-17 16:42:44 +1000
commit9baaef0a22c82a6c5d85b7535240e778c06e5b20 (patch)
tree8409aaa1733fc19b6a80333c95a37c7a5ca54d0a /arch/powerpc/kernel/cpu_setup_power.S
parentb88d4bce2b883e7f357ecf8f0cae070b9732f82b (diff)
downloadblackbird-op-linux-9baaef0a22c82a6c5d85b7535240e778c06e5b20.tar.gz
blackbird-op-linux-9baaef0a22c82a6c5d85b7535240e778c06e5b20.zip
powerpc/irq: Add support for HV virtualization interrupts
This will be delivering external interrupts from the XIVE to the Hypervisor. We treat it as a normal external interrupt for the lazy irq disable code (so it will be replayed as a 0x500) and route it to do_IRQ. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/cpu_setup_power.S')
-rw-r--r--arch/powerpc/kernel/cpu_setup_power.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index ec8a228df2f6..52ff3f025437 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -99,6 +99,7 @@ _GLOBAL(__setup_cpu_power9)
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
+ ori r3, r3, LPCR_HVICE
bl __init_LPCR
bl __init_HFSCR
bl __init_tlb_power9
@@ -118,6 +119,7 @@ _GLOBAL(__restore_cpu_power9)
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
+ ori r3, r3, LPCR_HVICE
bl __init_LPCR
bl __init_HFSCR
bl __init_tlb_power9
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