This is a note to let you know that I've just added the patch titled
powerpc: Disable CPU unknown by CLANG when CC_IS_CLANG
to the 6.1-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-disable-cpu-unknown-by-clang-when-cc_is_clang.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4b10306e98456aed03cad75ce467e8b1efdccca0 Mon Sep 17 00:00:00 2001
From: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Date: Thu, 2 Feb 2023 12:01:04 +0100
Subject: powerpc: Disable CPU unknown by CLANG when CC_IS_CLANG
From: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
commit 4b10306e98456aed03cad75ce467e8b1efdccca0 upstream.
CLANG only knows the following CPUs:
generic, 440, 450, 601, 602, 603, 603e, 603ev, 604, 604e, 620, 630,
g3, 7400, g4, 7450, g4+, 750, 8548, 970, g5, a2, e500, e500mc, e5500,
power3, pwr3, power4, pwr4, power5, pwr5, power5x, pwr5x, power6,
pwr6, power6x, pwr6x, power7, pwr7, power8, pwr8, power9, pwr9,
power10, pwr10, powerpc, ppc, ppc32, powerpc64, ppc64, powerpc64le,
ppc64le, futur
Disable other ones when CC_IS_CLANG.
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/e62892e32c14a7a5738c597e39e0082cb0abf21c.1675335659.git.christophe.leroy@xxxxxxxxxx
Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Cc: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/platforms/Kconfig.cputype | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -142,6 +142,7 @@ config POWERPC_CPU
config CELL_CPU
bool "Cell Broadband Engine"
depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
+ depends on !CC_IS_CLANG
select PPC_64S_HASH_MMU
config PPC_970_CPU
@@ -183,10 +184,12 @@ config E5500_CPU
config E6500_CPU
bool "Freescale e6500"
depends on PPC64 && PPC_E500
+ depends on !CC_IS_CLANG
config 405_CPU
bool "40x family"
depends on 40x
+ depends on !CC_IS_CLANG
config 440_CPU
bool "440 (44x family)"
@@ -195,22 +198,27 @@ config 440_CPU
config 464_CPU
bool "464 (44x family)"
depends on 44x
+ depends on !CC_IS_CLANG
config 476_CPU
bool "476 (47x family)"
depends on PPC_47x
+ depends on !CC_IS_CLANG
config 860_CPU
bool "8xx family"
depends on PPC_8xx
+ depends on !CC_IS_CLANG
config E300C2_CPU
bool "e300c2 (832x)"
depends on PPC_BOOK3S_32
+ depends on !CC_IS_CLANG
config E300C3_CPU
bool "e300c3 (831x)"
depends on PPC_BOOK3S_32
+ depends on !CC_IS_CLANG
config G4_CPU
bool "G4 (74xx)"
Patches currently in stable-queue which might be from christophe.leroy@xxxxxxxxxx are
queue-6.1/powerpc-disable-cpu-unknown-by-clang-when-cc_is_clang.patch
queue-6.1/powerpc-64-replace-mcpu-e500mc64-by-mcpu-e5500.patch
queue-6.1/powerpc-64-set-default-cpu-in-kconfig.patch
queue-6.1/powerpc-boot-don-t-always-pass-mcpu-powerpc-when-building-32-bit-uimage.patch
queue-6.1/powerpc-pass-correct-cpu-reference-to-assembler.patch
