Re: [PATCH v1 3/7] DCE/DSE: Add a new scripts/Makefile.syscalls

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On Tue, Sep 26, 2023, at 00:38, Zhangjin Wu wrote:
> When CONFIG_TRIM_UNUSED_SYSCALLS is enabled, get used syscalls from
> syscalls or a file to store such a list.
> If CONFIG_USED_SYSCALLS is configured as a list of the used syscalls,
> directly record them in a used_syscalls variable, if it is a file to
> store the list, record the file name to the used_syscalls_file variable
> and put its content to the used_syscalls variable.
> Signed-off-by: Zhangjin Wu <falcon@xxxxxxxxxxx>

I like the idea of configuring the set of syscalls more, but we
should probably discuss the implementation of this here. You
introduce two new ways of doing this, on top of the existing
coarse-grained method (per syscall class Kconfig symbols).

Both methods seem a little awkward to me, but are doable
in principle if we can't come up with a better way. However,
I'd much prefer to not add both the Kconfig symbol and the
extra file here, since at least one of them is redundant.

Do you have automatic tooling to generate these lists from
a profile, or do you require manually writing them? Do you
have an example list?


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