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 6.2-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-6.2 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 @@ -143,6 +143,7 @@ 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 @@ -187,11 +188,13 @@ config E5500_CPU config E6500_CPU bool "Freescale e6500" depends on PPC64 && PPC_E500 + depends on !CC_IS_CLANG select PPC_HAS_LBARX_LHARX config 405_CPU bool "40x family" depends on 40x + depends on !CC_IS_CLANG config 440_CPU bool "440 (44x family)" @@ -200,22 +203,27 @@ 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-6.2/powerpc-disable-cpu-unknown-by-clang-when-cc_is_clang.patch queue-6.2/powerpc-64-replace-mcpu-e500mc64-by-mcpu-e5500.patch queue-6.2/powerpc-64-set-default-cpu-in-kconfig.patch queue-6.2/powerpc-boot-don-t-always-pass-mcpu-powerpc-when-building-32-bit-uimage.patch queue-6.2/powerpc-pass-correct-cpu-reference-to-assembler.patch