diff options
| author |   Mikhail Zaslonko <zaslonko@linux.ibm.com> | 2020-01-30 22:16:30 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-31 10:30:40 -0800 |
| commit | 803521b149c8c71a712445a32bd9316e074df76a (patch) | |
| tree | 6a739818beeedb2cdea05dbcc083eb8013989442 /lib/zlib_dfltcc/dfltcc_util.h | |
| parent | s390/boot: add dfltcc= kernel command line parameter (diff) | |
| download | linux-dev-803521b149c8c71a712445a32bd9316e074df76a.tar.xz linux-dev-803521b149c8c71a712445a32bd9316e074df76a.zip | |
lib/zlib: add zlib_deflate_dfltcc_enabled() function
Add a new function to zlib.h checking if s390 Deflate-Conversion
facility is installed and enabled.
Link: http://lkml.kernel.org/r/20200103223334.20669-6-zaslonko@linux.ibm.com
Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Cc: Chris Mason <clm@fb.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Eduard Shishkin <edward6@linux.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | lib/zlib_dfltcc/dfltcc_util.h | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/lib/zlib_dfltcc/dfltcc_util.h b/lib/zlib_dfltcc/dfltcc_util.h index 7c0d3bdc50a9..4a46b5009f0d 100644 --- a/lib/zlib_dfltcc/dfltcc_util.h +++ b/lib/zlib_dfltcc/dfltcc_util.h @@ -3,8 +3,6 @@ #define DFLTCC_UTIL_H #include <linux/zutil.h> -#include <asm/facility.h> -#include <asm/setup.h> /* * C wrapper for the DEFLATE CONVERSION CALL instruction. @@ -24,7 +22,6 @@ typedef enum { #define HBT_CIRCULAR (1 << 7) #define HB_BITS 15 #define HB_SIZE (1 << HB_BITS) -#define DFLTCC_FACILITY 151 static inline dfltcc_cc dfltcc( int fn, @@ -101,12 +98,6 @@ static inline int dfltcc_are_params_ok( (strategy == Z_DEFAULT_STRATEGY); } -static inline int is_dfltcc_enabled(void) -{ - return (zlib_dfltcc_support != ZLIB_DFLTCC_DISABLED && - test_facility(DFLTCC_FACILITY)); -} - char *oesc_msg(char *buf, int oesc); #endif /* DFLTCC_UTIL_H */ |