Messages in this thread | | | From | Jane Chu <> | Subject | Re: [PATCH v6 3/6] mce: fix set_mce_nospec to always unmap the whole page | Date | Tue, 22 Mar 2022 22:45:01 +0000 |
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On 3/22/2022 1:44 AM, Christoph Hellwig wrote: > On Sat, Mar 19, 2022 at 12:28:30AM -0600, Jane Chu wrote: >> Mark poisoned page as not present, and to reverse the 'np' effect, >> restate the _PAGE_PRESENT bit. Please refer to discussions here for >> reason behind the decision. >> https://lore.kernel.org/all/CAPcyv4hrXPb1tASBZUg-GgdVs0OOFKXMXLiHmktg_kFi7YBMyQ@mail.gmail.com/ > > I think it would be good to summarize the conclusion here instead of > just linking to it.
Sure, will do.
> >> +static int _set_memory_present(unsigned long addr, int numpages) >> +{ >> + return change_page_attr_set(&addr, numpages, __pgprot(_PAGE_PRESENT), 0); >> +} > > What is the point of this trivial helper with a single caller? >
Okay, will remove the helper.
thanks! -jane
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