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SubjectRe: [PATCH] arm64: ftrace: Fix to enable syscall events on arm64
On Tue, 27 Nov 2018 16:58:49 +0000
Will Deacon <will.deacon@arm.com> wrote:

> This looks fine to me, but I'm curious about whether this is supposed to
> work with compat syscalls as well, where the prefix is "__arm64_compat_".
>
> If we broadly follow the x86 lead, we'd have:
>
> return (!strncmp(sym, "__arm64_", 8) && !strcmp(sym + 8, name)) ||
> (!strncmp(sym, "__arm64_compat_", 15) && !strcmp(sym + 15, name));
>
> Do we need to handle compat (i.e. 32-bit) tasks here?

Only if you want to trace compat syscalls as well ;-)

-- Steve

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