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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-10 21:36:07 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-10 21:36:07 +0300 |
| commit | 2da33f9f96dabd62d6c7780cbce15818c2a6ce24 (patch) | |
| tree | 156ba6512cd0a07f1a3c1dcc99991d153e19bb56 /drivers | |
| parent | 8e0f93cda48ed054e1216bab5c60017e1a5fc1e8 (diff) | |
| parent | 3446c13b268af86391d06611327006b059b8bab1 (diff) | |
| download | linux-2da33f9f96dabd62d6c7780cbce15818c2a6ce24.tar.xz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Three bug fixes:
- The fix for the page table corruption (CVE-2016-2143)
- The diagnose statistics introduced a regression for the dasd diag
driver
- Boot crash on systems without the set-program-parameters facility"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: four page table levels vs. fork
s390/cpumf: Fix lpp detection
s390/dasd: fix diag 0x250 inline assembly
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/block/dasd_diag.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index cb61f300f8b5..277b5c8c825c 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -67,7 +67,7 @@ static const u8 DASD_DIAG_CMS1[] = { 0xc3, 0xd4, 0xe2, 0xf1 };/* EBCDIC CMS1 */ * and function code cmd. * In case of an exception return 3. Otherwise return result of bitwise OR of * resulting condition code and DIAG return code. */ -static inline int dia250(void *iob, int cmd) +static inline int __dia250(void *iob, int cmd) { register unsigned long reg2 asm ("2") = (unsigned long) iob; typedef union { @@ -77,7 +77,6 @@ static inline int dia250(void *iob, int cmd) int rc; rc = 3; - diag_stat_inc(DIAG_STAT_X250); asm volatile( " diag 2,%2,0x250\n" "0: ipm %0\n" @@ -91,6 +90,12 @@ static inline int dia250(void *iob, int cmd) return rc; } +static inline int dia250(void *iob, int cmd) +{ + diag_stat_inc(DIAG_STAT_X250); + return __dia250(iob, cmd); +} + /* Initialize block I/O to DIAG device using the specified blocksize and * block offset. On success, return zero and set end_block to contain the * number of blocks on the device minus the specified offset. Return non-zero |