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SubjectRe: [patch 0/7] x86, cpa: cpa related changes to be inline with TLB Application note - v2

* Suresh Siddha <suresh.b.siddha@intel.com> wrote:

> v2:
> 1. Fix the deadlock associated with smp call function and spin_lock_irqsave()
> for pgd_lock.
> 2. No alias checks for __set_pages_np()/__set_pages_p() avoiding the large
> text page split from atomic context in CONFIG_DEBUG_PAGEALLOC.
> 3. Serialize cpa() for !CONFIG_DEBUG_PAGEALLOC, so that a cpu with stale
> large page tlb's(but small PTE's in memory) won't do a cpa() in parallel
> to some other cpu splitting large pages and changing page attribute for
> a small page.

ok, looks good and the code got simpler as well. I've started testing it
in tip/master and will push out these updates to tip/x86/pat if they
pass. (v1 had stability problems)

Thanks,

Ingo


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