diff options
author | Simona Vetter <simona.vetter@ffwll.ch> | 2024-09-11 09:18:15 +0200 |
---|---|---|
committer | Simona Vetter <simona.vetter@ffwll.ch> | 2024-09-11 09:18:15 +0200 |
commit | b615b9c36cae0468491547206406a909a9a37f26 (patch) | |
tree | 1d9586e498714e56e7923765640ae014584e1f58 /arch/powerpc | |
parent | cd4ea49599a3b2233e5fb24a73b2f2d1ea3e35dc (diff) | |
parent | da3ea35007d0af457a0afc87e84fddaebc4e0b63 (diff) |
Merge v6.11-rc7 into drm-next
Thomas needs 5a498d4d06d6 ("drm/fbdev-dma: Only install deferred I/O
if necessary") in drm-misc, so start the backmerge cascade.
Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/include/asm/nohash/32/pgtable.h | 4 | ||||
-rw-r--r-- | arch/powerpc/include/asm/pgtable-types.h | 12 | ||||
-rw-r--r-- | arch/powerpc/kernel/vdso/vdso32.lds.S | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/vdso/vdso64.lds.S | 4 | ||||
-rw-r--r-- | arch/powerpc/lib/qspinlock.c | 10 | ||||
-rw-r--r-- | arch/powerpc/mm/nohash/tlb_64e.c | 2 |
6 files changed, 26 insertions, 10 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index 9508399dd036..b481738c4bb5 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -52,7 +52,7 @@ #define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) #define pgd_ERROR(e) \ - pr_err("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) + pr_err("%s:%d: bad pgd %08llx.\n", __FILE__, __LINE__, (unsigned long long)pgd_val(e)) /* * This is the bottom of the PKMAP area with HIGHMEM or an arbitrary @@ -170,7 +170,7 @@ static inline void pmd_clear(pmd_t *pmdp) #define pmd_pfn(pmd) (pmd_val(pmd) >> PAGE_SHIFT) #else #define pmd_page_vaddr(pmd) \ - ((const void *)(pmd_val(pmd) & ~(PTE_TABLE_SIZE - 1))) + ((const void *)((unsigned long)pmd_val(pmd) & ~(PTE_TABLE_SIZE - 1))) #define pmd_pfn(pmd) (__pa(pmd_val(pmd)) >> PAGE_SHIFT) #endif diff --git a/arch/powerpc/include/asm/pgtable-types.h b/arch/powerpc/include/asm/pgtable-types.h index 7b3d4c592a10..f3086e39e7d2 100644 --- a/arch/powerpc/include/asm/pgtable-types.h +++ b/arch/powerpc/include/asm/pgtable-types.h @@ -49,16 +49,22 @@ static inline unsigned long pud_val(pud_t x) #endif /* CONFIG_PPC64 */ /* PGD level */ -#if defined(CONFIG_PPC_E500) && defined(CONFIG_PTE_64BIT) +#if defined(CONFIG_PPC_85xx) && defined(CONFIG_PTE_64BIT) typedef struct { unsigned long long pgd; } pgd_t; + +static inline unsigned long long pgd_val(pgd_t x) +{ + return x.pgd; +} #else typedef struct { unsigned long pgd; } pgd_t; -#endif -#define __pgd(x) ((pgd_t) { (x) }) + static inline unsigned long pgd_val(pgd_t x) { return x.pgd; } +#endif +#define __pgd(x) ((pgd_t) { (x) }) /* Page protection bits */ typedef struct { unsigned long pgprot; } pgprot_t; diff --git a/arch/powerpc/kernel/vdso/vdso32.lds.S b/arch/powerpc/kernel/vdso/vdso32.lds.S index 426e1ccc6971..8f57107000a2 100644 --- a/arch/powerpc/kernel/vdso/vdso32.lds.S +++ b/arch/powerpc/kernel/vdso/vdso32.lds.S @@ -74,6 +74,8 @@ SECTIONS .got : { *(.got) } :text .plt : { *(.plt) } + .rela.dyn : { *(.rela .rela*) } + _end = .; __end = .; PROVIDE(end = .); @@ -87,7 +89,7 @@ SECTIONS *(.branch_lt) *(.data .data.* .gnu.linkonce.d.* .sdata*) *(.bss .sbss .dynbss .dynsbss) - *(.got1 .glink .iplt .rela*) + *(.got1 .glink .iplt) } } diff --git a/arch/powerpc/kernel/vdso/vdso64.lds.S b/arch/powerpc/kernel/vdso/vdso64.lds.S index bda6c8cdd459..400819258c06 100644 --- a/arch/powerpc/kernel/vdso/vdso64.lds.S +++ b/arch/powerpc/kernel/vdso/vdso64.lds.S @@ -69,7 +69,7 @@ SECTIONS .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr .eh_frame : { KEEP (*(.eh_frame)) } :text .gcc_except_table : { *(.gcc_except_table) } - .rela.dyn ALIGN(8) : { *(.rela.dyn) } + .rela.dyn ALIGN(8) : { *(.rela .rela*) } .got ALIGN(8) : { *(.got .toc) } @@ -86,7 +86,7 @@ SECTIONS *(.data .data.* .gnu.linkonce.d.* .sdata*) *(.bss .sbss .dynbss .dynsbss) *(.opd) - *(.glink .iplt .plt .rela*) + *(.glink .iplt .plt) } } diff --git a/arch/powerpc/lib/qspinlock.c b/arch/powerpc/lib/qspinlock.c index 5de4dd549f6e..bcc7e4dff8c3 100644 --- a/arch/powerpc/lib/qspinlock.c +++ b/arch/powerpc/lib/qspinlock.c @@ -697,7 +697,15 @@ again: } release: - qnodesp->count--; /* release the node */ + /* + * Clear the lock before releasing the node, as another CPU might see stale + * values if an interrupt occurs after we increment qnodesp->count + * but before node->lock is initialized. The barrier ensures that + * there are no further stores to the node after it has been released. + */ + node->lock = NULL; + barrier(); + qnodesp->count--; } void queued_spin_lock_slowpath(struct qspinlock *lock) diff --git a/arch/powerpc/mm/nohash/tlb_64e.c b/arch/powerpc/mm/nohash/tlb_64e.c index 113edf76d3ce..d26656b07b72 100644 --- a/arch/powerpc/mm/nohash/tlb_64e.c +++ b/arch/powerpc/mm/nohash/tlb_64e.c @@ -33,7 +33,7 @@ * though this will probably be made common with other nohash * implementations at some point */ -int mmu_pte_psize; /* Page size used for PTE pages */ +static int mmu_pte_psize; /* Page size used for PTE pages */ int mmu_vmemmap_psize; /* Page size used for the virtual mem map */ int book3e_htw_mode; /* HW tablewalk? Value is PPC_HTW_* */ unsigned long linear_map_top; /* Top of linear mapping */ |