s390/irq: remove HAVE_IRQ_EXIT_ON_IRQ_STACK

[ Upstream commit 0aa4ff7688632a86bdb133fa106f2ccd514b91a7 ]

This is no longer true since we switched to generic entry. The code
switches to the IRQ stack before calling do_IRQ, but switches back
to the kernel stack before calling irq_exit().

Fixes: 56e62a737028 ("s390: convert to generic entry")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 93488bbf491b94cf45f4595506ff17fe353cc255..90e1639697b4d206cf45c24a69290a90037a07d4 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -165,7 +165,6 @@ config S390
        select HAVE_GCC_PLUGINS
        select HAVE_GENERIC_VDSO
        select HAVE_IOREMAP_PROT if PCI
-       select HAVE_IRQ_EXIT_ON_IRQ_STACK
        select HAVE_KERNEL_BZIP2
        select HAVE_KERNEL_GZIP
        select HAVE_KERNEL_LZ4