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| author | Ingo Molnar <mingo@kernel.org> | 2025-03-06 22:26:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-03-06 22:26:36 +0100 |
| commit | 82354fce168c7cb037644bf4443b3e1b7559976c (patch) | |
| tree | 39e2f997a23ea386e5045acce67e8819690b7036 /kernel/rseq.c | |
| parent | 7ab02bd36eb444654183ad6c5b15211ddfa32a8f (diff) | |
| parent | b1536481c81fb604074da799e4f2d2038a1663f7 (diff) | |
Merge branch 'sched/urgent' into sched/core, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/rseq.c')
| -rw-r--r-- | kernel/rseq.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/rseq.c b/kernel/rseq.c index 3d136c48cff7..a7d81229eda0 100644 --- a/kernel/rseq.c +++ b/kernel/rseq.c @@ -507,9 +507,6 @@ SYSCALL_DEFINE4(rseq, struct rseq __user *, rseq, u32, rseq_len, return -EINVAL; if (!access_ok(rseq, rseq_len)) return -EFAULT; - current->rseq = rseq; - current->rseq_len = rseq_len; - current->rseq_sig = sig; #ifdef CONFIG_DEBUG_RSEQ /* * Initialize the in-kernel rseq fields copy for validation of @@ -522,6 +519,14 @@ SYSCALL_DEFINE4(rseq, struct rseq __user *, rseq, u32, rseq_len, return -EFAULT; #endif /* + * Activate the registration by setting the rseq area address, length + * and signature in the task struct. + */ + current->rseq = rseq; + current->rseq_len = rseq_len; + current->rseq_sig = sig; + + /* * If rseq was previously inactive, and has just been * registered, ensure the cpu_id_start and cpu_id fields * are updated before returning to user-space. |