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authorAnshuman Khandual <anshuman.khandual@arm.com>2019-05-27 09:03:29 +0200
committerCatalin Marinas <catalin.marinas@arm.com>2019-06-04 15:53:18 +0200
commit87dedf7c61ab07d7fe53bcf93103d2d845d804d8 (patch)
treec43b8b2250c9b0ed0e58b632ee82d3c14a1b6051 /arch/arm64/mm/mmu.c
parentarm64: kernel: use aff3 instead of aff2 in comment (diff)
downloadlinux-87dedf7c61ab07d7fe53bcf93103d2d845d804d8.tar.xz
linux-87dedf7c61ab07d7fe53bcf93103d2d845d804d8.zip
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>
Diffstat (limited to 'arch/arm64/mm/mmu.c')
-rw-r--r--arch/arm64/mm/mmu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 22c2e4f0768f..69e65b6585e6 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -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;
}