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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-07-09 08:59:36 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-07-20 22:57:58 +1000 |
| commit | d3cd91fb8d2e202cf8ebb6f271898aaf37ecda8f (patch) | |
| tree | 437b21687e27c4730add32f1ac70f54bff231024 /arch/powerpc/kernel | |
| parent | 3e4352aeb8b17eb1040ba288f586620e8294389d (diff) | |
| download | linux-d3cd91fb8d2e202cf8ebb6f271898aaf37ecda8f.tar.bz2 | |
powerpc/book3s64/pkeys: Add MMU_FTR_PKEY
Parse storage keys related device tree entry in early_init_devtree
and enable MMU feature MMU_FTR_PKEY if pkeys are supported.
MMU feature is used instead of CPU feature because this enables us
to group MMU_FTR_KUAP and MMU_FTR_PKEY in asm feature fixup code.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200709032946.881753-14-aneesh.kumar@linux.ibm.com
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 033d43819ed8..dfe0103ad131 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -815,6 +815,11 @@ void __init early_init_devtree(void *params) /* Now try to figure out if we are running on LPAR and so on */ pseries_probe_fw_features(); + /* + * Initialize pkey features and default AMR/IAMR values + */ + pkey_early_init_devtree(); + #ifdef CONFIG_PPC_PS3 /* Identify PS3 firmware */ if (of_flat_dt_is_compatible(of_get_flat_dt_root(), "sony,ps3")) |