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SubjectRe: [PATCH 2/2] x86/cfi,bpf: Fix BPF JIT call
On Wed, Nov 22, 2023 at 01:41:34PM +0100, Peter Zijlstra wrote:
> +#ifdef CONFIG_FINEIBT
> + /*
> + * When FineIBT, code in the __cfi_foo() symbols can get executed
> + * and hence unwinder needs help.
> + */
> + if (cfi_mode != CFI_FINEIBT)
> + return;
> +
> + snprintf(fp->aux->ksym_prefix.name, KSYM_NAME_LEN,
> + "__cfi_%s", fp->aux->ksym.name);
> +
> + prog->aux->ksym_prefix.start = (unsigned long) prog->bpf_func - 16;
> + prog->aux->ksym_prefix.end = (unsigned long) prog->bpf_func;
> +
> + bpf_ksym_add(&fp->aux->ksym_prefix);
> +#endif
> }

s/prog/fp/ makes compiler happier

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