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    SubjectRe: Fw: [PATCH] ia64: race flushing icache in do_no_page path
    Nick Piggin wrote:

    > What if you were to say remove all the PG_arch_1 code, and do something
    > really simple like flush icache in flush_dcache_page? Would performance
    > suffer horribly?

    OIC, you need a virtual address to evict the icache, so you can't
    flush at flush_dcache time? Or does ia64 have an instruction to
    flush the whole icache? (it would be worth testing, to see how much
    performance suffers).

    --
    SUSE Labs, Novell Inc.
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