# Re: \[PATCH 00/11\] powerpc/xive: Improve diagnostic and activate StoreEOI on P10 PowerNV

- From: Michael Ellerman \<hidden\>
- Date: 2021-11-25 09:48:05 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/11/9525256
- Thread: https://ratatoskr.run/linuxppc-dev/2021/11/9524980/t.md

```text
On Fri, 5 Nov 2021 11:26:25 +0100, Cédric Le Goater wrote:
> This series tries to improve diagnostic support in the XIVE driver. It
> adds pr_debug() primitives that can be activated at run-time and changes
> the debugfs xive entry to expose more information :
> 
>   /sys/kernel/debug/powerpc/xive/
>     ├── eqs/
>     │   ├── cpu0
>     │   ├── cpu1
>     │   ├── cpu2
>     .   .
>     │   └── cpu99
>     ├── interrupts
>     ├── ipis
>     ├── save-restore
>     └── store-eoi
> 
> [...]

Patches 1-10 applied to powerpc/next.

[01/11] powerpc/xive: Replace pr_devel() by pr_debug() to ease debug
        https://git.kernel.org/powerpc/c/44b9c8ddcbc351d47ead974f0870d09bfc74b3f7
[02/11] powerpc/xive: Introduce an helper to print out interrupt characteristics
        https://git.kernel.org/powerpc/c/bd5b00c6cf0c37fce1bcd94390044d7e1dd638e7
[03/11] powerpc/xive: Activate StoreEOI on P10
        https://git.kernel.org/powerpc/c/756c52c632f5c2b054bb54b1ea9177329e4b8ce5
[04/11] powerpc/xive: Introduce xive_core_debugfs_create()
        https://git.kernel.org/powerpc/c/412877dfae3dc12733bc711ccbd3d02338803865
[05/11] powerpc/xive: Change the debugfs file 'xive' into a directory
        https://git.kernel.org/powerpc/c/baed14de78b5ee3ca04eae43c5b16e3eeb6e33a8
[06/11] powerpc/xive: Rename the 'cpus' debugfs file to 'ipis'
        https://git.kernel.org/powerpc/c/33e1d4a152ce55272b54a16884461218d12d4f1b
[07/11] powerpc/xive: Add a debugfs file to dump EQs
        https://git.kernel.org/powerpc/c/08f3f610214f395561bbda03344e641579f6e917
[08/11] powerpc/xive: Add a debugfs toggle for StoreEOI
        https://git.kernel.org/powerpc/c/d7bc1e376cb786e9e8483455584d89cad4b5808f
[09/11] powerpc/xive: Add a kernel parameter for StoreEOI
        https://git.kernel.org/powerpc/c/c21ee04f11ae068aa132cce56d09f618d4a66259
[10/11] powerpc/xive: Add a debugfs toggle for save-restore
        https://git.kernel.org/powerpc/c/1e7684dc4fc70271c8bf86d397bd4fbfb3581e65

cheers
```