summaryrefslogtreecommitdiffstats
path: root/arch/s390/boot
diff options
context:
space:
mode:
authorHeiko Carstens <heiko.carstens@de.ibm.com>2017-01-24 15:58:52 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-02-08 14:13:19 +0100
commitd5ab7a34f9bbad54f89b812e6b0d2d898f9433db (patch)
tree3aa685926bc40dc71fb3482b7766705ca451fa3a /arch/s390/boot
parent76fdf1416eed264dee18aa7db3a32dcfa8572e03 (diff)
downloadlinux-stable-d5ab7a34f9bbad54f89b812e6b0d2d898f9433db.tar.gz
linux-stable-d5ab7a34f9bbad54f89b812e6b0d2d898f9433db.tar.bz2
linux-stable-d5ab7a34f9bbad54f89b812e6b0d2d898f9433db.zip
s390/sclp: make early sclp code readable
This patch - unifies the old sclp early code and the sclp early printk code, so they can use common functions - makes sure all sclp early functions and variables have the same "sclp_early" prefix - converts the sclp early printk code into readable code by using existing data structures instead of hard coded magic arrays - splits the early sclp code into two files: sclp_early.c and sclp_early_core.c. The core file contains everything that is required by the kernel decompressor and may not call functions not contained within the core file. Otherwise the result would be a link error. - changes interrupt handling to be completely synchronous. The old early sclp code had a small window which allowed to receive several interrupts instead of exactly the single expected interrupt. This did hide a subtle potential bug, which is fixed with this large rework. - contains a couple of small cleanups. Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/boot')
-rw-r--r--arch/s390/boot/compressed/misc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index 8515dd5a5663..fa95041fa9f6 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -66,7 +66,7 @@ static unsigned long free_mem_end_ptr;
static int puts(const char *s)
{
- _sclp_print_early(s);
+ sclp_early_printk(s);
return 0;
}