linux-kernel - Re: [PATCH v6 0/2] Implement reentrant rtas call

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Date:   Tue,  9 Jun 2020 15:29:00 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nadav Amit <namit@...are.com>,
        "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>,
        Leonardo Bras <leobras.c@...il.com>,
        Allison Randal <allison@...utok.net>,
        Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nathan Lynch <nathanl@...ux.ibm.com>,
        Nicholas Piggin <npiggin@...il.com>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 0/2] Implement reentrant rtas call

On Mon, 18 May 2020 20:42:43 -0300, Leonardo Bras wrote:
> Patch 2 implement rtas_call_reentrant() for reentrant rtas-calls:
> "ibm,int-on", "ibm,int-off",ibm,get-xive" and  "ibm,set-xive",
> according to LoPAPR Version 1.1 (March 24, 2016).
> 
> For that, it's necessary that every call uses a different
> rtas buffer (rtas_args). Paul Mackerras suggested using the PACA
> structure for creating a per-cpu buffer for these calls.
> 
> [...]

Applied to powerpc/next.

[1/2] powerpc/rtas: Move type/struct definitions from rtas.h into rtas-types.h
      https://git.kernel.org/powerpc/c/783a015b747f606e803b798eb8b50c73c548691d
[2/2] powerpc/rtas: Implement reentrant rtas call
      https://git.kernel.org/powerpc/c/b664db8e3f976d9233cc9ea5e3f8a8c0bcabeb48

cheers