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-rw-r--r--arch/s390/kernel/setup.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 580abb53ce8..18222ac4078 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -713,13 +713,15 @@ static void __init setup_hwcaps(void)
* How many facility words are stored depends on the number of
* doublewords passed to the instruction. The additional facilites
* are:
- * Bit 43: decimal floating point facility is installed
+ * Bit 42: decimal floating point facility is installed
+ * Bit 44: perform floating point operation facility is installed
* translated to:
* HWCAP_S390_DFP bit 6.
*/
if ((elf_hwcap & (1UL << 2)) &&
__stfle(&facility_list_extended, 1) > 0) {
- if (facility_list_extended & (1ULL << (64 - 43)))
+ if ((facility_list_extended & (1ULL << (63 - 42)))
+ && (facility_list_extended & (1ULL << (63 - 44))))
elf_hwcap |= 1UL << 6;
}