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SubjectRe: [PATCHv3 1/5] x86/boot/compressed/64: Detect and handle 5-level paging at boot-time
On Mon, 4 Dec 2017, Kirill A. Shutemov wrote:

> This patch prepare decompression code to boot-time switching between 4-
> and 5-level paging.

This is the very wrong reason for tagging this commit stable.

> Signed-off-by: Kirill A. Shutemov <>
> Cc: <> [4.14+]

Adding cc stable requires a Fixes tag as well.

> +int l5_paging_required(void)
> +{
> + /* Check i leaf 7 is supported. */

So you introduce the typo here and then you fix it in the next patch which
is the actual bug fix as an completely unrelated hunk.

-- a/arch/x86/boot/compressed/pgtable_64.c
+++ b/arch/x86/boot/compressed/pgtable_64.c
@@ -2,7 +2,7 @@

int l5_paging_required(void)
- /* Check i leaf 7 is supported. */
+ /* Check if leaf 7 is supported. */

That's just careless and sloppy.

I fixed it up once more along with the lousy changelogs because this crap,
which you not even thought about addressing it when shoving your 5-level
support into 4.14 needs to be fixed.

I'm really tired of your sloppiness. You waste everyones time just by
ignoring feedback and continuing to do what you think is enough. Works for
me is _NOT_ enough for kernel development.
I'm not even looking at the rest of the series unless someone else has the
stomach to do so and sends a Reviewed-by.

Alternatively you can sit down and look at the changelogs and the code and
figure out whether it matches what I told you over and over. Once you think
it does, then please feel free to resend it, but be sure that I'm going to
apply the most restrictive crap filter on anything which comes from you
from now on.



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