Re: [PATCH 5.15 000/276] 5.15.195-rc1 review

[Florian Fainelli <f.fainelli@gmail.com>]

+Ali,

On 10/17/25 15:57, Florian Fainelli wrote:
> On 10/17/25 07:51, Greg Kroah-Hartman wrote:
>> This is the start of the stable review cycle for the 5.15.195 release.
>> There are 276 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 Sun, 19 Oct 2025 14:50:59 +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/v5.x/stable-review/ 
>> patch-5.15.195-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-5.15.y
>> and the diffstat can be found below.
>>
>> thanks,
>>
>> greg k-h
> 
> perf fails to build on ARM, ARM64 and MIPS with:
> 
> In file included from util/arm-spe.c:37:
> /local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/ 
> include/../../arch/arm64/include/asm/cputype.h:198:10: fatal error: asm/ 
> sysreg.h: No such file or directory
>    198 | #include <asm/sysreg.h>
>        |          ^~~~~~~~~~~~~~
> compilation terminated.
> 
> I was not able to run a bisection but will attempt to do that later 
> during the weekend.

That is due to commit 07b49160816a936be7c1e0af869097223e75d547
Author: Ali Saidi <alisaidi@amazon.com>
Date:   Thu Aug 11 14:24:39 2022 +0800

     perf arm-spe: Use SPE data source for neoverse cores

and this hunk specifically:

diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index 569e1b8ad0ab..7b16898af4e7 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -34,6 +34,7 @@
  #include "arm-spe-decoder/arm-spe-decoder.h"
  #include "arm-spe-decoder/arm-spe-pkt-decoder.h"

+#include "../../arch/arm64/include/asm/cputype.h"
  #define MAX_TIMESTAMP (~0ULL)

There is a dependency on this upstream commit:

commit 1314376d495f2d79cc58753ff3034ccc503c43c9
Author: Ali Saidi <alisaidi@amazon.com>
Date:   Thu Mar 24 18:33:20 2022 +0000

     tools arm64: Import cputype.h


for tools/arch/arm64/include/asm/cputype.h to be present.
-- 
Florian