diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2025-02-28 12:37:14 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-02-28 12:37:14 +0100 |
| commit | c432bdcf39d52cbba7487d4ebfcf735cee59481e (patch) | |
| tree | 5235fe21993c9fb04cbada15ed940961068258c3 /kernel/rseq.c | |
| parent | 36ccabe59ddacefd79b7dfa4a66359385f22eed4 (diff) | |
| parent | d082ecbc71e9e0bf49883ee4afd435a77a5101b6 (diff) | |
| download | lwn-c432bdcf39d52cbba7487d4ebfcf735cee59481e.tar.gz lwn-c432bdcf39d52cbba7487d4ebfcf735cee59481e.zip | |
pmdomain: Merge tag 'v6.14-rc4' from Linus into next
Linux 6.14-rc4
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 442aba29bc4c..2cb16091ec0a 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. |