s390/hwcaps: do not report high gprs for 31 bit kernel



The bit for high gprs in the AT_HWCAP auxiliary vector field and the
highgprs tag in the output of /proc/cpuinfo should not be set for
31 bit kernels.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 3368ba25

arch/s390/kernel/setup.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -974,11 +974,13 @@ static void __init setup_hwcaps(void)
		if (MACHINE_HAS_HPAGE)
		elf_hwcap \|= HWCAP_S390_HPAGE;

		#if defined(CONFIG_64BIT)
		/*
		* 64-bit register support for 31-bit processes
		* HWCAP_S390_HIGH_GPRS is bit 9.
		*/
		elf_hwcap \|= HWCAP_S390_HIGH_GPRS;
		#endif

		get_cpu_id(&cpu_id);
		switch (cpu_id.machine) {