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| author | Jason Gunthorpe <jgg@mellanox.com> | 2018-01-29 13:26:40 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-01-30 09:30:00 -0700 |
| commit | e7996a9a77fc669387da43ff4823b91cc4872bd0 (patch) | |
| tree | 617f0a128e222539d67e8cccc359f1bc4b984900 /arch/mips/kernel/process.c | |
| parent | b5fa635aab8f0d39a824c01991266a6d06f007fb (diff) | |
| parent | d8a5b80568a9cb66810e75b182018e9edb68e8ff (diff) | |
Merge tag v4.15 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
To resolve conflicts in:
drivers/infiniband/hw/mlx5/main.c
drivers/infiniband/hw/mlx5/qp.c
From patches merged into the -rc cycle. The conflict resolution matches
what linux-next has been carrying.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 45d0b6b037ee..57028d49c202 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -705,6 +705,18 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) struct task_struct *t; int max_users; + /* If nothing to change, return right away, successfully. */ + if (value == mips_get_process_fp_mode(task)) + return 0; + + /* Only accept a mode change if 64-bit FP enabled for o32. */ + if (!IS_ENABLED(CONFIG_MIPS_O32_FP64_SUPPORT)) + return -EOPNOTSUPP; + + /* And only for o32 tasks. */ + if (IS_ENABLED(CONFIG_64BIT) && !test_thread_flag(TIF_32BIT_REGS)) + return -EOPNOTSUPP; + /* Check the value is valid */ if (value & ~known_bits) return -EOPNOTSUPP; |