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authorJason Gunthorpe <jgg@mellanox.com>2018-08-16 22:13:03 +0200
committerJason Gunthorpe <jgg@mellanox.com>2018-08-16 22:21:29 +0200
commit0a3173a5f09bc58a3638ecfd0a80bdbae55e123c (patch)
treed6c0bc84863cca54dfbde3b7463e5d49c82af9f1 /arch/arm64/kernel/fpsimd.c
parentRevert "net/smc: Replace ib_query_gid with rdma_get_gid_attr" (diff)
parentMerge tag 'for-linus-4.19-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
downloadlinux-0a3173a5f09bc58a3638ecfd0a80bdbae55e123c.tar.xz
linux-0a3173a5f09bc58a3638ecfd0a80bdbae55e123c.zip
Merge branch 'linus/master' into rdma.git for-next
rdma.git merge resolution for the 4.19 merge window Conflicts: drivers/infiniband/core/rdma_core.c - Use the rdma code and revise with the new spelling for atomic_fetch_add_unless drivers/nvme/host/rdma.c - Replace max_sge with max_send_sge in new blk code drivers/nvme/target/rdma.c - Use the blk code and revise to use NULL for ib_post_recv when appropriate - Replace max_sge with max_recv_sge in new blk code net/rds/ib_send.c - Use the net code and revise to use NULL for ib_post_recv when appropriate Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'arch/arm64/kernel/fpsimd.c')
-rw-r--r--arch/arm64/kernel/fpsimd.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 84c68b14f1b2..58c53bc96928 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -159,25 +159,6 @@ static void sve_free(struct task_struct *task)
__sve_free(task);
}
-static void change_cpacr(u64 val, u64 mask)
-{
- u64 cpacr = read_sysreg(CPACR_EL1);
- u64 new = (cpacr & ~mask) | val;
-
- if (new != cpacr)
- write_sysreg(new, CPACR_EL1);
-}
-
-static void sve_user_disable(void)
-{
- change_cpacr(0, CPACR_EL1_ZEN_EL0EN);
-}
-
-static void sve_user_enable(void)
-{
- change_cpacr(CPACR_EL1_ZEN_EL0EN, CPACR_EL1_ZEN_EL0EN);
-}
-
/*
* TIF_SVE controls whether a task can use SVE without trapping while
* in userspace, and also the way a task's FPSIMD/SVE state is stored