diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2024-07-02 16:51:28 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-13 01:52:17 +0300 |
| commit | 6b0e82791bd03b2326c7f7d8c1124c825742f2a4 (patch) | |
| tree | 02ff8fa0321259599bcd9cc4eabe7b7a35ed3f1d /arch/powerpc/include | |
| parent | e081c14744f4a93514069e1af1a7273d5451b909 (diff) | |
| download | linux-6b0e82791bd03b2326c7f7d8c1124c825742f2a4.tar.xz | |
powerpc/e500: switch to 64 bits PGD on 85xx (32 bits)
At the time being when CONFIG_PTE_64BIT is selected, PTE entries are 64
bits but PGD entries are still 32 bits.
In order to allow leaf PMD entries, switch the PGD to 64 bits entries.
Link: https://lkml.kernel.org/r/ca85397df02564e5edc3a3c27b55cf43af3e4ef3.1719928057.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/pgtable-types.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pgtable-types.h b/arch/powerpc/include/asm/pgtable-types.h index 082c85cc09b1..db965d98e0ae 100644 --- a/arch/powerpc/include/asm/pgtable-types.h +++ b/arch/powerpc/include/asm/pgtable-types.h @@ -49,7 +49,11 @@ static inline unsigned long pud_val(pud_t x) #endif /* CONFIG_PPC64 */ /* PGD level */ +#if defined(CONFIG_PPC_E500) && defined(CONFIG_PTE_64BIT) +typedef struct { unsigned long long pgd; } pgd_t; +#else typedef struct { unsigned long pgd; } pgd_t; +#endif #define __pgd(x) ((pgd_t) { (x) }) static inline unsigned long pgd_val(pgd_t x) { |