aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNathan Chancellor <[email protected]>2019-08-11 20:31:20 -0700
committerPaul Burton <[email protected]>2019-08-11 21:44:31 -0700
commitc59ae0a1055127dd3828a88e111a0db59b254104 (patch)
treebac69ce4216487aedbaf33c04eb563ad35422118
parent077ff3be06e8de2657075dd2738b9a21f8ebd890 (diff)
MIPS: tlbex: Explicitly cast _PAGE_NO_EXEC to a boolean
clang warns: arch/mips/mm/tlbex.c:634:19: error: use of logical '&&' with constant operand [-Werror,-Wconstant-logical-operand] if (cpu_has_rixi && _PAGE_NO_EXEC) { ^ ~~~~~~~~~~~~~ arch/mips/mm/tlbex.c:634:19: note: use '&' for a bitwise operation if (cpu_has_rixi && _PAGE_NO_EXEC) { ^~ & arch/mips/mm/tlbex.c:634:19: note: remove constant to silence this warning if (cpu_has_rixi && _PAGE_NO_EXEC) { ~^~~~~~~~~~~~~~~~ 1 error generated. Explicitly cast this value to a boolean so that clang understands we intend for this to be a non-zero value. Fixes: 00bf1c691d08 ("MIPS: tlbex: Avoid placing software PTE bits in Entry* PFN fields") Link: https://github.com/ClangBuiltLinux/linux/issues/609 Signed-off-by: Nathan Chancellor <[email protected]> Signed-off-by: Paul Burton <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: James Hogan <[email protected]> Cc: Nick Desaulniers <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected]
-rw-r--r--arch/mips/mm/tlbex.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index eb21277f4141..071d48593464 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -629,7 +629,7 @@ static __maybe_unused void build_convert_pte_to_entrylo(u32 **p,
return;
}
- if (cpu_has_rixi && _PAGE_NO_EXEC) {
+ if (cpu_has_rixi && !!_PAGE_NO_EXEC) {
if (fill_includes_sw_bits) {
UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL));
} else {