From: Gavin Shan <gshan@redhat.com>
To: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, catalin.marinas@arm.com,
will@kernel.org, mark.rutland@arm.com, shan.gavin@gmail.com
Subject: [PATCH] arm64: mm: Pass origial fault address to handle_mm_fault()
Date: Mon, 14 Jun 2021 20:27:01 +0800 [thread overview]
Message-ID: <20210614122701.100515-1-gshan@redhat.com> (raw)
Currently, the lower bits of fault address is cleared before it's
passed to handle_mm_fault(). It's unnecessary since generic code
does same thing since the commit 1a29d85eb0f19 ("mm: use vmf->address
instead of of vmf->virtual_address").
This passes the original fault address to handle_mm_fault() in case
the generic code needs to know the exact fault address.
Signed-off-by: Gavin Shan <gshan@redhat.com>
---
arch/arm64/mm/fault.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 871c82ab0a30..e2883237216d 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -504,7 +504,7 @@ static vm_fault_t __do_page_fault(struct mm_struct *mm, unsigned long addr,
*/
if (!(vma->vm_flags & vm_flags))
return VM_FAULT_BADACCESS;
- return handle_mm_fault(vma, addr & PAGE_MASK, mm_flags, regs);
+ return handle_mm_fault(vma, addr, mm_flags, regs);
}
static bool is_el0_instruction_abort(unsigned int esr)
--
2.23.0
next reply other threads:[~2021-06-14 10:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-14 12:27 Gavin Shan [this message]
2021-06-14 15:42 ` Catalin Marinas
2021-06-15 11:11 ` Anshuman Khandual
2021-06-15 12:06 ` Will Deacon
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