Re: [PATCH -tip v5 06/10] kprobes/x86: Cleanup save/restore registers

[Frank Ch. Eigler]

Frederic Weisbecker <fweisbec@xxxxxxxxx> writes:

> [...]
>> +#define SAVE_REGS_STRING		\
>> +#define RESTORE_REGS_STRING		\
>
> BTW, do you really need to push/pop every registers
> before/after calling a probe handler?

It's part of the definition of a kprobe, that a populated
pt_regs* value is passed.  Clients can rely on that in order
to access registers etc.

- FChE
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