summaryrefslogtreecommitdiffstats
path: root/arch/powerpc
diff options
context:
space:
mode:
authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2018-08-09 19:06:42 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2018-08-10 22:25:57 +1000
commitf405b510c93eeb7390d0e2c6ef8d12af9a33021a (patch)
tree320450bcf2e3d196a64e15e982d651080c62feac /arch/powerpc
parente7e81847478b37a3958a3163171bf6aee99f87d7 (diff)
downloadblackbird-op-linux-f405b510c93eeb7390d0e2c6ef8d12af9a33021a.tar.gz
blackbird-op-linux-f405b510c93eeb7390d0e2c6ef8d12af9a33021a.zip
powerpc/mm/hash: Remove unnecessary do { } while(0) loop
Avoid coverity false warnings like: *** CID 187347: Control flow issues (UNREACHABLE) /arch/powerpc/mm/hash_native_64.c: 819 in native_flush_hash_range() 813 slot += hidx & _PTEIDX_GROUP_IX; 814 hptep = htab_address + slot; 815 want_v = hpte_encode_avpn(vpn, psize, ssize); 816 hpte_v = hpte_get_old_v(hptep); 817 818 if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID)) >>> CID 187347: Control flow issues (UNREACHABLE) Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-64k.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h
index c81793d47af9..f82ee8a3b561 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h
@@ -137,10 +137,9 @@ extern bool __rpte_sub_valid(real_pte_t rpte, unsigned long index);
shift = mmu_psize_defs[psize].shift; \
for (index = 0; vpn < __end; index++, \
vpn += (1L << (shift - VPN_SHIFT))) { \
- if (!__split || __rpte_sub_valid(rpte, index)) \
- do {
+ if (!__split || __rpte_sub_valid(rpte, index))
-#define pte_iterate_hashed_end() } while(0); } } while(0)
+#define pte_iterate_hashed_end() } } while(0)
#define pte_pagesize_index(mm, addr, pte) \
(((pte) & H_PAGE_COMBO)? MMU_PAGE_4K: MMU_PAGE_64K)
OpenPOWER on IntegriCloud