diff options
| author | Will Deacon <will@kernel.org> | 2019-10-17 13:42:42 -0700 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-10-17 13:42:42 -0700 |
| commit | 777d062e5bee0e3c0751cdcbce116a76ee2310ec (patch) | |
| tree | c63aada7db4af337a1077d75d4ac1d021393d378 /lib/strnlen_user.c | |
| parent | 597399d0cb91d049fcb78fb45c7694771b583bb7 (diff) | |
| parent | 603afdc9438ac546181e843f807253d75d3dbc45 (diff) | |
| download | lwn-777d062e5bee0e3c0751cdcbce116a76ee2310ec.tar.gz lwn-777d062e5bee0e3c0751cdcbce116a76ee2310ec.zip | |
Merge branch 'errata/tx2-219' into for-next/fixes
Workaround for Cavium/Marvell ThunderX2 erratum #219.
* errata/tx2-219:
arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected
arm64: Avoid Cavium TX2 erratum 219 when switching TTBR
arm64: Enable workaround for Cavium TX2 erratum 219 when running SMT
arm64: KVM: Trap VM ops when ARM64_WORKAROUND_CAVIUM_TX2_219_TVM is set
Diffstat (limited to 'lib/strnlen_user.c')
| -rw-r--r-- | lib/strnlen_user.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c index 28ff554a1be8..6c0005d5dd5c 100644 --- a/lib/strnlen_user.c +++ b/lib/strnlen_user.c @@ -3,16 +3,10 @@ #include <linux/export.h> #include <linux/uaccess.h> #include <linux/mm.h> +#include <linux/bitops.h> #include <asm/word-at-a-time.h> -/* Set bits in the first 'n' bytes when loaded from memory */ -#ifdef __LITTLE_ENDIAN -# define aligned_byte_mask(n) ((1ul << 8*(n))-1) -#else -# define aligned_byte_mask(n) (~0xfful << (BITS_PER_LONG - 8 - 8*(n))) -#endif - /* * Do a strnlen, return length of string *with* final '\0'. * 'count' is the user-supplied count, while 'max' is the |