From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: kvm-ppc@vger.kernel.org
Subject: Re: [PATCH] KVM: PPC: Book3S HV: Fix regression on big endian hosts
Date: Wed, 18 Dec 2019 04:05:11 +0000 [thread overview]
Message-ID: <47d1cm0Fsvz9sSP@ozlabs.org> (raw)
In-Reply-To: <20191215094900.46740-1-marcus@mc.pp.se>
On Sun, 2019-12-15 at 09:49:00 UTC, "Marcus Comstedt" wrote:
> VCPU_CR is the offset of arch.regs.ccr in kvm_vcpu.
> arch/powerpc/include/asm/kvm_host.h defines arch.regs as a struct
> pt_regs, and arch/powerpc/include/asm/ptrace.h defines the ccr field
> of pt_regs as "unsigned long ccr". Since unsigned long is 64 bits, a
> 64-bit load needs to be used to load it, unless an endianness specific
> correction offset is added to access the desired subpart. In this
> case there is no reason to _not_ use a 64 bit load though.
>
> Signed-off-by: Marcus Comstedt <marcus@mc.pp.se>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/228b607d8ea1b7d4561945058d5692709099d432
cheers
prev parent reply other threads:[~2019-12-18 4:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-15 9:49 [PATCH] KVM: PPC: Book3S HV: Fix regression on big endian hosts Marcus Comstedt
2019-12-18 4:05 ` Michael Ellerman [this message]
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