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powerpc/mm: Fix missing update of HID register on secondary CPUs
We need to update on secondaries for the selected MMU mode.
Fixes: ad410674f5
("powerpc/mm: Update the HID bit when switching from radix to hash")
Reported-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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2 changed files with 8 additions and 0 deletions
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@ -1029,6 +1029,10 @@ void hash__early_init_mmu_secondary(void)
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{
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/* Initialize hash table for that CPU */
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if (!firmware_has_feature(FW_FEATURE_LPAR)) {
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if (cpu_has_feature(CPU_FTR_POWER9_DD1))
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update_hid_for_hash();
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if (!cpu_has_feature(CPU_FTR_ARCH_300))
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mtspr(SPRN_SDR1, _SDR1);
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else
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@ -388,6 +388,10 @@ void radix__early_init_mmu_secondary(void)
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* update partition table control register and UPRT
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*/
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if (!firmware_has_feature(FW_FEATURE_LPAR)) {
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if (cpu_has_feature(CPU_FTR_POWER9_DD1))
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update_hid_for_radix();
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lpcr = mfspr(SPRN_LPCR);
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mtspr(SPRN_LPCR, lpcr | LPCR_UPRT | LPCR_HR);
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