linux-kernel - Re: [PATCH v2 1/1] powerpc/kvm: Fix mask size for emulated msgsndp

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Date:   Mon, 21 Dec 2020 22:03:30 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Paul Mackerras <paulus@...abs.org>,
        Leonardo Bras <leobras.c@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     kvm-ppc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] powerpc/kvm: Fix mask size for emulated msgsndp

On Tue, 8 Dec 2020 18:57:08 -0300, Leonardo Bras wrote:
> According to ISAv3.1 and ISAv3.0b, the msgsndp is described to split RB in:
> msgtype <- (RB) 32:36
> payload <- (RB) 37:63
> t       <- (RB) 57:63
> 
> The current way of getting 'msgtype', and 't' is missing their MSB:
> msgtype: ((arg >> 27) & 0xf) : Gets (RB) 33:36, missing bit 32
> t:       (arg &= 0x3f)       : Gets (RB) 58:63, missing bit 57
> 
> [...]

Applied to powerpc/next.

[1/1] KVM: PPC: Book3S HV: Fix mask size for emulated msgsndp
      https://git.kernel.org/powerpc/c/87fb4978ef8f7e3d6f51ea8e259638c4e96f2fc0

cheers