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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-07-16 10:24:48 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-07-18 12:44:34 +0200 |
| commit | 1eeb74782d354175ef9f3bff02fae62c6e0aef24 (patch) | |
| tree | d65adca381b40b040659f510c8951049e6b5315a /arch/s390/net | |
| parent | dae7fd42961e9ae9386f527b6d0e14f6e3da2317 (diff) | |
| download | linux-1eeb74782d354175ef9f3bff02fae62c6e0aef24.tar.gz | |
s390/bpf,jit: call module_free() from any context
The workqueue workaround is no longer needed. Same as 5199dfe531 "sparc: bpf_jit_comp: can call module_free() from any context". Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/net')
| -rw-r--r-- | arch/s390/net/bpf_jit_comp.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 82f165f8078c..a41f0b15faa1 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -772,8 +772,7 @@ void bpf_jit_compile(struct sk_filter *fp) } else if (jit.prg == cjit.prg && jit.lit == cjit.lit) { prg_len = jit.prg - jit.start; lit_len = jit.lit - jit.mid; - size = max_t(unsigned long, prg_len + lit_len, - sizeof(struct work_struct)); + size = prg_len + lit_len; if (size >= BPF_SIZE_MAX) goto out; jit.start = module_alloc(size); @@ -804,21 +803,8 @@ out: kfree(addrs); } -static void jit_free_defer(struct work_struct *arg) -{ - module_free(NULL, arg); -} - -/* run from softirq, we must use a work_struct to call - * module_free() from process context - */ void bpf_jit_free(struct sk_filter *fp) { - struct work_struct *work; - - if (fp->bpf_func == sk_run_filter) - return; - work = (struct work_struct *)fp->bpf_func; - INIT_WORK(work, jit_free_defer); - schedule_work(work); + if (fp->bpf_func != sk_run_filter) + module_free(NULL, fp->bpf_func); } |