On 6/13/24 09:56, Borislav Petkov wrote:
On Thu, Jun 13, 2024 at 04:41:00PM +0300, Kirill A. Shutemov wrote:
It is easy enough to do. See the patch below.
Thanks, will have a look.
But I am not sure if I can justify it properly. If someone doesn't really
need 5-level paging, disabling it at compile-time would save ~34K of
kernel code with the configuration.
Is it worth saving ~100 lines of code?
Well, it goes both ways: is it worth saving ~34K kernel text and for that make
the code a lot less conditional, more readable, contain less ugly ifdeffery,
Won't getting rid of the config option cause 5-level to be used by default
on all platforms that support it? The no5lvl command line option would
have to be used to get 4-level paging at that point.
Thanks,
Tom
...?
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