Age | Commit message (Collapse) | Author |
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Previously, file ids could only be positive integers, so their range
was 31 bits - not enough to represent the entire memory. Now, pointers
can be safely used as file ids.
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this is big in terms of speed, it avoids a lot of unnecessary context
switches
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It's not really just a text section, as it's writeable too. Makes gcc
shut up about invalid section attributes.
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thus they can opt out of doing that
so the calls which might return immediately but can return later don't
have to both regs_savereturn and return to the caller.
and because of that, the return values of a lot of VFS things have just
got way saner
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other parts of the kernel don't need to care about which process exactly
gets switched into
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