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powerpc/rfi-flush: Call setup_rfi_flush() after LPM migration

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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>
This commit is contained in:
Michael Ellerman 2019-04-22 00:19:55 +10:00 • committed by Greg Kroah-Hartman
parent 7777d9cb2c
commit 8249ee94a9
3 changed files with 6 additions and 1 deletions
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3
arch/powerpc/platforms/pseries/mobility.c
View file

@ -314,6 +314,9 @@ 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;
}

2
arch/powerpc/platforms/pseries/pseries.h
View file

@ -81,4 +81,6 @@ extern struct pci_controller_ops pseries_pci_controller_ops;
unsigned long pseries_memory_block_size(void);
void pseries_setup_rfi_flush(void);
#endif /* _PSERIES_PSERIES_H */

2
arch/powerpc/platforms/pseries/setup.c
View file

@ -499,7 +499,7 @@ 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;