After lots of good feedback and contributions from the last series, this
set of 4 simply cleans up GDT usage in i386. Percpu->pda is not
included: it's really a separate problem (but made much simpler by these
patches).
Patches are:
no-gdt-pda-alloc.patch
- Simplify by using per-cpu vars for gdt & pda, not allocating.
This patch has been seen here before, and Jeremy Fitzhardinge
acked it.
direct-percpu-gdt.patch
- Simplify boot by switching straight from boot_gdt_table
straight to per-cpu versions, rather than going to cpu_gdt_table
then per-cpu gdt. This is a new approach after Ingo cautioned
about removing boot_gdt_table.
cleanup-cpuinits.patch
- Simple patch: we can now roll two identical functions together
cleanup-gdt-accessors.patch
- Remove a level of indirection
Cheers,
Rusty.
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