linux-kernel - Re: [PATCH v5 00/10] powerpc/watchpoint: Enable 2nd DAWR on baremetal and powervm

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Date:   Mon, 27 Jul 2020 17:26:54 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Ravi Bangoria <ravi.bangoria@...ux.ibm.com>, mikey@...ling.org,
        mpe@...erman.id.au
Cc:     mingo@...nel.org, miltonm@...ibm.com, paulus@...ba.org,
        jniethe5@...il.com, linux-kernel@...r.kernel.org,
        fweisbec@...il.com, naveen.n.rao@...ux.vnet.ibm.com,
        rogealve@...ibm.com, linuxppc-dev@...ts.ozlabs.org,
        oleg@...hat.com, pedromfc@...ibm.com, jolsa@...nel.org,
        npiggin@...il.com, peterz@...radead.org, christophe.leroy@....fr
Subject: Re: [PATCH v5 00/10] powerpc/watchpoint: Enable 2nd DAWR on baremetal and powervm

On Thu, 23 Jul 2020 14:38:03 +0530, Ravi Bangoria wrote:
> Last series[1] was to add basic infrastructure support for more than
> one watchpoint on Book3S powerpc. This series actually enables the 2nd
> DAWR for baremetal and powervm. Kvm guest is still not supported.
> 
> v4: https://lore.kernel.org/r/20200717040958.70561-1-ravi.bangoria@linux.ibm.com
> 
> v4->v5:
>  - Using hardcoded values instead of macros HBP_NUM_ONE and HBP_NUM_TWO.
>    Comment above HBP_NUM_MAX changed to explain it's value.
>  - Included CPU_FTR_DAWR1 into CPU_FTRS_POWER10
>  - Using generic function feat_enable() instead of
>    feat_enable_debug_facilities_v31() to enable CPU_FTR_DAWR1.
>  - ISA still includes 512B boundary in match criteria. But that's a
>    documentation mistake. Mentioned about this in the last patch.
>  - Rebased to powerpc/next
>  - Added Jordan's Reviewed-by/Tested-by tags
> 
> [...]

Applied to powerpc/next.

[01/10] powerpc/watchpoint: Fix 512 byte boundary limit
        https://git.kernel.org/powerpc/c/3190ecbfeeb2ab17778887ce3fa964615d6460fd
[02/10] powerpc/watchpoint: Fix DAWR exception constraint
        https://git.kernel.org/powerpc/c/f6780ce619f8daa285760302d56e95892087bd1f
[03/10] powerpc/watchpoint: Fix DAWR exception for CACHEOP
        https://git.kernel.org/powerpc/c/f3c832f1350bcf1e6906113ee3168066f4235dbe
[04/10] powerpc/watchpoint: Enable watchpoint functionality on power10 guest
        https://git.kernel.org/powerpc/c/8f460a8175e6d85537d581734e9fa7ef97036b1a
[05/10] powerpc/dt_cpu_ftrs: Add feature for 2nd DAWR
        https://git.kernel.org/powerpc/c/dc1cedca54704d336c333b5398daaf13b23e391b
[06/10] powerpc/watchpoint: Set CPU_FTR_DAWR1 based on pa-features bit
        https://git.kernel.org/powerpc/c/8f45ca3f8b87c4810674fbfe65de6d041ee0baee
[07/10] powerpc/watchpoint: Rename current H_SET_MODE DAWR macro
        https://git.kernel.org/powerpc/c/6f3fe297f95134e9b2386dae0067bf530e1ddca0
[08/10] powerpc/watchpoint: Guest support for 2nd DAWR hcall
        https://git.kernel.org/powerpc/c/03f3e54abd95061ea11bdb4eedbe3cab6553704f
[09/10] powerpc/watchpoint: Return available watchpoints dynamically
        https://git.kernel.org/powerpc/c/deb2bd9bcc8428d4b65b6ba640ba8b57c1b20b17
[10/10] powerpc/watchpoint: Remove 512 byte boundary
        https://git.kernel.org/powerpc/c/3f31e49dc4588d396023028791e36c23235e1334

cheers