diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2014-05-21 09:42:10 (GMT) |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-05-21 10:25:39 (GMT) |
| commit | e5eb925a1804c4a52994ba57f4f68ee7a9132905 (patch) | |
| tree | 537ff44f413665231fd7932dfdce6d9c34661f0b | |
| parent | 60b5f90d0fac7585f1a43ccdad06787b97eda0ab (diff) | |
| download | linux-e5eb925a1804c4a52994ba57f4f68ee7a9132905.tar.xz | |
MIPS: Change type of asid_cache to unsigned long
asid_cache must be unsigned long otherwise on 64 bit systems it will
become 0 if the value in get_new_mmu_context() reaches 0xffffffff and
in the end the assumption of ASID_FIRST_VERSION is not true anymore
thus leads to more dangerous things.
Initial patch by Yong Zhang <yong.zhang@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: libin <huawei.libin@huawei.com>
| -rw-r--r-- | arch/mips/include/asm/cpu-info.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index dc2135b..ff2707a 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -39,14 +39,14 @@ struct cache_desc { #define MIPS_CACHE_PINDEX 0x00000020 /* Physically indexed cache */ struct cpuinfo_mips { - unsigned int udelay_val; - unsigned int asid_cache; + unsigned long asid_cache; /* * Capability and feature descriptor structure for MIPS CPU */ unsigned long options; unsigned long ases; + unsigned int udelay_val; unsigned int processor_id; unsigned int fpu_id; unsigned int msa_id; |