4.14-stable review patch. If anyone has any objections, please let me know.
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From: Michael Ellerman mpe@ellerman.id.au
commit 921bc6cf807ceb2ab8005319cf39f33494d6b100 upstream.
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 Signed-off-by: Michael Ellerman mpe@ellerman.id.au Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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(-)
--- 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; }
--- 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
int dlpar_workqueue_init(void);
+void pseries_setup_rfi_flush(void); + #endif /* _PSERIES_PSERIES_H */ --- 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(vo 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;