linux-kernel - Re: [PATCH v7 6/7] iommu/ioasid: Rename INVALID

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230320133852.7535292d@jacob-builder>
Date:   Mon, 20 Mar 2023 13:38:52 -0700
From:   Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, iommu@...ts.linux.dev,
        Jason Gunthorpe <jgg@...dia.com>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        Robin Murphy <robin.murphy@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        X86 Kernel <x86@...nel.org>, bp@...en8.de,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>, corbet@....net,
        vkoul@...nel.org, dmaengine@...r.kernel.org,
        linux-doc@...r.kernel.org, Will Deacon <will@...nel.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Raj Ashok <ashok.raj@...el.com>,
        "Tian, Kevin" <kevin.tian@...el.com>, Yi Liu <yi.l.liu@...el.com>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>, jacob.jun.pan@...ux.intel.com
Subject: Re: [PATCH v7 6/7] iommu/ioasid: Rename INVALID_IOASID

Hi Dave,

On Mon, 20 Mar 2023 11:58:14 -0700, Dave Hansen <dave.hansen@...el.com>
wrote:

> On 3/20/23 11:59, Jacob Pan wrote:
> > --- a/arch/x86/kernel/traps.c
> > +++ b/arch/x86/kernel/traps.c
> > @@ -40,7 +40,10 @@
> >  #include <linux/io.h>
> >  #include <linux/hardirq.h>
> >  #include <linux/atomic.h>
> > -#include <linux/ioasid.h>
> > +
> > +#ifdef CONFIG_IOMMU_SVA
> > +#include <linux/iommu.h>
> > +#endif  
> 
> What's the deal with the #ifdef'd #include?
> 
> What's the harm of just making it unconditional?
No harm for this version. I will remove.

Thanks,

Jacob