MCA: delete all remaining traces of microchannel bus support.
Hardware with MCA bus is limited to 386 and 486 class machines that are now 20+ years old and typically with less than 32MB of memory. A quick search on the internet, and you see that even the MCA hobbyist/enthusiast community has lost interest in the early 2000 era and never really even moved ahead from the 2.4 kernels to the 2.6 series. This deletes anything remaining related to CONFIG_MCA from core kernel code and from the x86 architecture. There is no point in carrying this any further into the future. One complication to watch for is inadvertently scooping up stuff relating to machine check, since there is overlap in the TLA name space (e.g. arch/x86/boot/mca.c). Cc: Thomas Gleixner <email@example.com> Cc: James Bottomley <JBottomley@Parallels.com> Cc: firstname.lastname@example.org Acked-by: Ingo Molnar <email@example.com> Acked-by: H. Peter Anvin <firstname.lastname@example.org> Signed-off-by: Paul Gortmaker <email@example.com>
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