Re: [PATCH] X86: __set_clr_pte_enc() miscalculates physical address

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On Mon, Mar 22, 2021 at 04:02:11PM -0500, Tom Lendacky wrote:
> On 3/18/21 3:26 PM, Isaku Yamahata wrote:
> > __set_clr_pte_enc() miscalculates physical address to operate.
> > pfn is in unit of PG_LEVEL_4K, not PGL_LEVEL_{2M, 1G}.
> > Shift size to get physical address should be PAGE_SHIFT,
> > not page_level_shift().
> > 
> > Fixes: dfaaec9033b8 ("x86: Add support for changing memory encryption attribute in early boot")
> > Reviewed-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> > Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
> 
> Reviewed-by: Tom Lendacky <thomas.lendacky@xxxxxxx>

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>



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