Re: [PATCH V3 2/2] arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption
flat view
From: Catalin Marinas <catalin.marinas@arm.com>
Date: 2022-11-16 14:41:46
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On Wed, Nov 16, 2022 at 07:39:15PM +0530, Anshuman Khandual wrote:
quoted hunk ↗ jump to hunk
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h index d20f5da2d76f..6a4a1ab8eb23 100644 --- a/arch/arm64/include/asm/hugetlb.h +++ b/arch/arm64/include/asm/hugetlb.h@@ -49,6 +49,15 @@ extern pte_t huge_ptep_get(pte_t *ptep); void __init arm64_hugetlb_cma_reserve(void); +#define huge_ptep_modify_prot_start huge_ptep_modify_prot_start +extern pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep); + +#define huge_ptep_modify_prot_commit huge_ptep_modify_prot_commit +extern void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t old_pte, pte_t new_pte);
I wonder whether we should have kept this as static inline in the header file. But we can move them later if anyone complains of a performance regression. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel