diff mbox series

[v2,4/4] rfi-flush: Call setup_rfi_flush() after LPM migration

Message ID 1520895778-17586-5-git-send-email-mauricfo@linux.vnet.ibm.com (mailing list archive)
State Superseded
Headers show
Series Setup RFI flush after PowerVM LPM migration | expand

Commit Message

Mauricio Faria de Oliveira March 12, 2018, 11:02 p.m. UTC 
From: Michael Ellerman <mpe@ellerman.id.au>

We might have migrated to a machine that uses a different flush type,
or doesn't need flushing at all.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>
---
 arch/powerpc/platforms/pseries/mobility.c | 3 +++
 arch/powerpc/platforms/pseries/pseries.h  | 2 ++
 arch/powerpc/platforms/pseries/setup.c    | 2 +-
 3 files changed, 6 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index 0f7fb71..8a8033a 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -348,6 +348,9 @@  void post_mobility_fixup(void)
 		printk(KERN_ERR "Post-mobility device tree update "
 			"failed: %d\n", rc);
 
+	/* Possibly switch to a new RFI flush type */
+	pseries_setup_rfi_flush();
+
 	return;
 }
 
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index 1ae1d9f..27cdcb6 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -100,4 +100,6 @@  static inline unsigned long cmo_get_page_size(void)
 
 int dlpar_workqueue_init(void);
 
+void pseries_setup_rfi_flush(void);
+
 #endif /* _PSERIES_PSERIES_H */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 2f82bbb..360efe7 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -459,7 +459,7 @@  static void __init find_and_init_phbs(void)
 	of_pci_check_probe_only();
 }
 
-static void pseries_setup_rfi_flush(void)
+void pseries_setup_rfi_flush(void)
 {
 	struct h_cpu_char_result result;
 	enum l1d_flush_type types;