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| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-04-04 11:03:24 -0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-04-04 11:04:30 -0300 |
| commit | 692d42d411b7db6a76382537fccbee3a12a2bcdb (patch) | |
| tree | 24770529cf173188bc5d2d0d9331c0ac723b631e /arch/riscv/mm/fault.c | |
| parent | c52159b5be7894540acdc7a35791c0b57097fa4c (diff) | |
| parent | 13a0d1ae7ee6b438f5537711a8c60cba00554943 (diff) | |
Merge branch 'iommufd/for-rc' into for-next
The following selftest patch requires both the bug fixes and the
improvements of the selftest framework.
* iommufd/for-rc:
iommufd: Do not corrupt the pfn list when doing batch carry
iommufd: Fix unpinning of pages when an access is present
iommufd: Check for uptr overflow
Linux 6.3-rc5
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'arch/riscv/mm/fault.c')
| -rw-r--r-- | arch/riscv/mm/fault.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c index 460f785f6e09c..d5f3e501dffb3 100644 --- a/arch/riscv/mm/fault.c +++ b/arch/riscv/mm/fault.c @@ -143,6 +143,8 @@ static inline void vmalloc_fault(struct pt_regs *regs, int code, unsigned long a no_context(regs, addr); return; } + if (pud_leaf(*pud_k)) + goto flush_tlb; /* * Since the vmalloc area is global, it is unnecessary @@ -153,6 +155,8 @@ static inline void vmalloc_fault(struct pt_regs *regs, int code, unsigned long a no_context(regs, addr); return; } + if (pmd_leaf(*pmd_k)) + goto flush_tlb; /* * Make sure the actual PTE exists as well to @@ -172,6 +176,7 @@ static inline void vmalloc_fault(struct pt_regs *regs, int code, unsigned long a * ordering constraint, not a cache flush; it is * necessary even after writing invalid entries. */ +flush_tlb: local_flush_tlb_page(addr); } |