Hello!
On 09/03/22 12:40, Daniel Díaz wrote:
Hello!
On 09/03/22 09:59, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 4.9.306 release.
There are 24 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.
Responses should be made by Fri, 11 Mar 2022 15:58:48 +0000.
Anything received after that time might be too late.
The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.306-rc1.gz
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
and the diffstat can be found below.
thanks,
greg k-h
Regressions found.
The following Arm combinations fail to build:
- arm-gcc-8-bcm2835_defconfig
- arm-gcc-8-imx_v6_v7_defconfig
- arm-gcc-8-omap2plus_defconfig
- arm-gcc-9-bcm2835_defconfig
- arm-gcc-9-imx_v6_v7_defconfig
- arm-gcc-9-omap2plus_defconfig
- arm-gcc-10-bcm2835_defconfig
- arm-gcc-10-imx_v6_v7_defconfig
- arm-gcc-10-omap2plus_defconfig
- arm-gcc-11-bcm2835_defconfig
- arm-gcc-11-imx_v6_v7_defconfig
- arm-gcc-11-omap2plus_defconfig
Messages look like this:
/builds/linux/arch/arm/kernel/entry-common.S: Assembler messages:
/builds/linux/arch/arm/kernel/entry-common.S:155: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/kernel/entry-common.S:164: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
make[2]: *** [/builds/linux/scripts/Makefile.build:407: arch/arm/kernel/entry-common.o] Error 1
/builds/linux/arch/arm/kernel/entry-armv.S: Assembler messages:
/builds/linux/arch/arm/kernel/entry-armv.S:1124: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/kernel/entry-armv.S:1147: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/kernel/entry-armv.S:1170: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/kernel/entry-armv.S:1193: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/kernel/entry-armv.S:1232: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
make[2]: *** [/builds/linux/scripts/Makefile.build:407: arch/arm/kernel/entry-armv.o] Error 1
/builds/linux/arch/arm/mm/cache-v7.S: Assembler messages:
/builds/linux/arch/arm/mm/cache-v7.S:63: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/mm/cache-v7.S:136: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/mm/cache-v7.S:170: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/mm/cache-v7.S:298: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
make[2]: *** [/builds/linux/scripts/Makefile.build:407: arch/arm/mm/cache-v7.o] Error 1
/builds/linux/arch/arm/mm/tlb-v7.S: Assembler messages:
/builds/linux/arch/arm/mm/tlb-v7.S:88: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
make[2]: *** [/builds/linux/scripts/Makefile.build:407: arch/arm/mm/tlb-v7.o] Error 1
/builds/linux/arch/arm/mm/proc-v7-2level.S: Assembler messages:
/builds/linux/arch/arm/mm/proc-v7-2level.S:58: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/mm/proc-v7-2level.S:60: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
/builds/linux/arch/arm/mm/proc-v7.S:61: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
make[2]: *** [/builds/linux/scripts/Makefile.build:407: arch/arm/mm/proc-v7.o] Error 1
make[2]: Target '__build' not remade because of errors.
Here's what the bisection throws for this one:
# bad: [2ef7c55895217efa8183111969710960a529d3cd] Linux 4.9.306-rc1
# good: [41b13534ea8aa554d4e987650e24da5510258752] ARM: use LOADADDR() to get load address of sections
git bisect start '2ef7c55895217efa8183111969710960a529d3cd' '41b13534ea8aa554d4e987650e24da5510258752'
# bad: [fd723e642aacb60567beda736ebb062db44b8349] ARM: include unprivileged BPF status in Spectre V2 reporting
git bisect bad fd723e642aacb60567beda736ebb062db44b8349
# bad: [d0002ea56072220ddab72bb6e31a32350c01b44e] ARM: Spectre-BHB workaround
git bisect bad d0002ea56072220ddab72bb6e31a32350c01b44e
# first bad commit: [d0002ea56072220ddab72bb6e31a32350c01b44e] ARM: Spectre-BHB workaround
commit d0002ea56072220ddab72bb6e31a32350c01b44e
Author: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Date: Thu Feb 10 16:05:45 2022 +0000
ARM: Spectre-BHB workaround
comomit b9baf5c8c5c356757f4f9d8180b5e9d234065bc3 upstream.
Workaround the Spectre BHB issues for Cortex-A15, Cortex-A57,
Cortex-A72, Cortex-A73 and Cortex-A75. We also include Brahma B15 as
well to be safe, which is affected by Spectre V2 in the same ways as
Cortex-A15.
Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
[changes due to lack of SYSTEM_FREEING_INITMEM - gregkh]
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
arch/arm/include/asm/assembler.h | 10 +++++
arch/arm/include/asm/spectre.h | 4 ++
arch/arm/kernel/entry-armv.S | 79 ++++++++++++++++++++++++++++++++++++---
arch/arm/kernel/entry-common.S | 24 ++++++++++++
arch/arm/kernel/spectre.c | 4 ++
arch/arm/kernel/traps.c | 38 +++++++++++++++++++
arch/arm/kernel/vmlinux-xip.lds.S | 18 +++++++--
arch/arm/kernel/vmlinux.lds.S | 18 +++++++--
arch/arm/mm/Kconfig | 10 +++++
arch/arm/mm/proc-v7-bugs.c | 76 +++++++++++++++++++++++++++++++++++++
10 files changed, 269 insertions(+), 12 deletions(-)
Reverting made the build pass.
Greetings!
Daniel Díaz
daniel.diaz@xxxxxxxxxx
