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bpf: fix build without bpf_syscall

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wrap bpf_stats_enabled sysctl with #ifdef

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 492ecee892 ("bpf: enable program stats")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Alexei Starovoitov 2019-02-27 18:30:44 -08:00 committed by Daniel Borkmann
parent 3bcd604445
commit 3fcc5530bc
1 changed files with 5 additions and 2 deletions
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7
kernel/sysctl.c
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@ -224,9 +224,11 @@ static int proc_dostring_coredump(struct ctl_table *table, int write,
#endif
static int proc_dopipe_max_size(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
#ifdef CONFIG_BPF_SYSCALL
static int proc_dointvec_minmax_bpf_stats(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos);
#endif
#ifdef CONFIG_MAGIC_SYSRQ
/* Note: sysrq code uses its own private copy */
@ -1232,7 +1234,6 @@ static struct ctl_table kern_table[] = {
.extra1 = &one,
.extra2 = &one,
},
#endif
{
.procname = "bpf_stats_enabled",
.data = &sysctl_bpf_stats_enabled,
@ -1242,6 +1243,7 @@ static struct ctl_table kern_table[] = {
.extra1 = &zero,
.extra2 = &one,
},
#endif
#if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU)
{
.procname = "panic_on_rcu_stall",
@ -3272,6 +3274,7 @@ int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
#endif /* CONFIG_PROC_SYSCTL */
#ifdef CONFIG_BPF_SYSCALL
static int proc_dointvec_minmax_bpf_stats(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
@ -3293,7 +3296,7 @@ static int proc_dointvec_minmax_bpf_stats(struct ctl_table *table, int write,
}
return ret;
}
#endif
/*
* No sense putting this after each symbol definition, twice,
* exception granted :-)