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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 00:04:43 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 00:04:43 +0300
commitd590284419b1d7cc2dc646e9bdde4da19061cf0f (patch)
tree007a94945a82e3010c1847daeeb8f17d8e988929 /drivers/s390/char
parent1e24aaabdee9e07f19b09bd305ffc069b0b07371 (diff)
parent2735913c1079b7dd7ec1d746c13a84ec1b5ea276 (diff)
downloadlinux-d590284419b1d7cc2dc646e9bdde4da19061cf0f.tar.xz
Merge tag 's390-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik: - Add support for IBM z15 machines. - Add SHA3 and CCA AES cipher key support in zcrypt and pkey refactoring. - Move to arch_stack_walk infrastructure for the stack unwinder. - Various kasan fixes and improvements. - Various command line parsing fixes. - Improve decompressor phase debuggability. - Lift no bss usage restriction for the early code. - Use refcount_t for reference counters for couple of places in mm code. - Logging improvements and return code fix in vfio-ccw code. - Couple of zpci fixes and minor refactoring. - Remove some outdated documentation. - Fix secure boot detection. - Other various minor code clean ups. * tag 's390-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (48 commits) s390: remove pointless drivers-y in drivers/s390/Makefile s390/cpum_sf: Fix line length and format string s390/pci: fix MSI message data s390: add support for IBM z15 machines s390/crypto: Support for SHA3 via CPACF (MSA6) s390/startup: add pgm check info printing s390/crypto: xts-aes-s390 fix extra run-time crypto self tests finding vfio-ccw: fix error return code in vfio_ccw_sch_init() s390: vfio-ap: fix warning reset not completed s390/base: remove unused s390_base_mcck_handler s390/sclp: Fix bit checked for has_sipl s390/zcrypt: fix wrong handling of cca cipher keygenflags s390/kasan: add kdump support s390/setup: avoid using strncmp with hardcoded length s390/sclp: avoid using strncmp with hardcoded length s390/module: avoid using strncmp with hardcoded length s390/pci: avoid using strncmp with hardcoded length s390/kaslr: reserve memory for kasan usage s390/mem_detect: provide single get_mem_detect_end s390/cmma: reuse kstrtobool for option value parsing ...
Diffstat (limited to 'drivers/s390/char')
-rw-r--r--drivers/s390/char/Makefile3
-rw-r--r--drivers/s390/char/sclp_early.c2
-rw-r--r--drivers/s390/char/vmcp.c2
3 files changed, 3 insertions, 4 deletions
diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile
index b8a8816d94e7..845e12ac5954 100644
--- a/drivers/s390/char/Makefile
+++ b/drivers/s390/char/Makefile
@@ -49,6 +49,3 @@ obj-$(CONFIG_CRASH_DUMP) += sclp_sdias.o zcore.o
hmcdrv-objs := hmcdrv_mod.o hmcdrv_dev.o hmcdrv_ftp.o hmcdrv_cache.o diag_ftp.o sclp_ftp.o
obj-$(CONFIG_HMC_DRV) += hmcdrv.o
-
-chkbss := sclp_early_core.o
-include $(srctree)/arch/s390/scripts/Makefile.chkbss
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index e71992a3c55f..cc5e84b80c69 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -40,7 +40,7 @@ static void __init sclp_early_facilities_detect(struct read_info_sccb *sccb)
sclp.has_gisaf = !!(sccb->fac118 & 0x08);
sclp.has_hvs = !!(sccb->fac119 & 0x80);
sclp.has_kss = !!(sccb->fac98 & 0x01);
- sclp.has_sipl = !!(sccb->cbl & 0x02);
+ sclp.has_sipl = !!(sccb->cbl & 0x4000);
if (sccb->fac85 & 0x02)
S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
if (sccb->fac91 & 0x40)
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 0fa1b6b1491a..9e066281e2d0 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -43,6 +43,8 @@ static struct cma *vmcp_cma;
static int __init early_parse_vmcp_cma(char *p)
{
+ if (!p)
+ return 1;
vmcp_cma_size = ALIGN(memparse(p, NULL), PAGE_SIZE);
return 0;
}