openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

arm64/mm: Change BUG_ON() to VM_BUG_ON() in [pmd|pud]_set_huge() 

There are no callers for the functions which will pass unaligned physical
addresses. Hence just change these BUG_ON() checks into VM_BUG_ON() which
gets compiled out unless CONFIG_VM_DEBUG is enabled.

Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Anshuman Khandual 2019-05-27 12:33:29 +05:30 committed by Catalin Marinas
parent 2e6aee5af3
commit 87dedf7c61
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/mm/mmu.c
View File

@ -978,7 +978,7 @@ int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
pud_val(new_pud)))
return 0;
BUG_ON(phys & ~PUD_MASK);
VM_BUG_ON(phys & ~PUD_MASK);
set_pud(pudp, new_pud);
return 1;
}
@ -992,7 +992,7 @@ int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
pmd_val(new_pmd)))
return 0;
BUG_ON(phys & ~PMD_MASK);
VM_BUG_ON(phys & ~PMD_MASK);
set_pmd(pmdp, new_pmd);
return 1;
}