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

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On Thu, Mar 18, 2021 at 01:26:57PM -0700, 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>
> ---
>  arch/x86/mm/mem_encrypt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

<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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