linux-kernel - Re: [PATCH v3 4/7] x86/paravirt: remove 32-bit support from PARAVIRT

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Message-ID: <a1073b86-ebd5-68b6-7761-99669dd93e1c@oracle.com>
Date:   Sat, 8 Aug 2020 22:34:50 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org
Cc:     Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Deep Shah <sdeep@...are.com>,
        "VMware, Inc." <pv-drivers@...are.com>,
        Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH v3 4/7] x86/paravirt: remove 32-bit support from
 PARAVIRT_XXL

On 8/7/20 4:38 AM, Juergen Gross wrote:
> @@ -377,10 +373,7 @@ static inline pte_t __pte(pteval_t val)
>  {
>  	pteval_t ret;
>  
> -	if (sizeof(pteval_t) > sizeof(long))
> -		ret = PVOP_CALLEE2(pteval_t, mmu.make_pte, val, (u64)val >> 32);
> -	else
> -		ret = PVOP_CALLEE1(pteval_t, mmu.make_pte, val);
> +	ret = PVOP_CALLEE1(pteval_t, mmu.make_pte, val);
>  
>  	return (pte_t) { .pte = ret };


Can this now simply return (pte_t) ret?


-boris