Patch "powerpc/40x: Remove stale PTE_ATOMIC_UPDATES macro" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    powerpc/40x: Remove stale PTE_ATOMIC_UPDATES macro

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     powerpc-40x-remove-stale-pte_atomic_updates-macro.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 041abb3e9fbef36ac40e41310f0e314e42877c2b
Author: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Date:   Mon Sep 25 20:31:17 2023 +0200

    powerpc/40x: Remove stale PTE_ATOMIC_UPDATES macro
    
    [ Upstream commit cc8ee288f484a2a59c01ccd4d8a417d6ed3466e3 ]
    
    40x TLB handlers were reworked by commit 2c74e2586bb9 ("powerpc/40x:
    Rework 40x PTE access and TLB miss") to not require PTE_ATOMIC_UPDATES
    anymore.
    
    Then commit 4e1df545e2fa ("powerpc/pgtable: Drop PTE_ATOMIC_UPDATES")
    removed all code related to PTE_ATOMIC_UPDATES.
    
    Remove left over PTE_ATOMIC_UPDATES macro.
    
    Fixes: 2c74e2586bb9 ("powerpc/40x: Rework 40x PTE access and TLB miss")
    Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
    Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
    Link: https://msgid.link/f061db5857fcd748f84a6707aad01754686ce97e.1695659959.git.christophe.leroy@xxxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/powerpc/include/asm/nohash/32/pte-40x.h b/arch/powerpc/include/asm/nohash/32/pte-40x.h
index 2d3153cfc0d79..acf61242e85bf 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-40x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-40x.h
@@ -69,9 +69,6 @@
 
 #define _PTE_NONE_MASK	0
 
-/* Until my rework is finished, 40x still needs atomic PTE updates */
-#define PTE_ATOMIC_UPDATES	1
-
 #define _PAGE_BASE_NC	(_PAGE_PRESENT | _PAGE_ACCESSED)
 #define _PAGE_BASE	(_PAGE_BASE_NC)
 



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