From: Christoph Hellwig <hch@lst.de>
To: Halil Pasic <pasic@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, Mike Anderson <andmike@linux.ibm.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Robin Murphy <robin.murphy@arm.com>,
x86@kernel.org, Ram Pai <linuxram@us.ibm.com>,
linux-kernel@vger.kernel.org,
Alexey Dobriyan <adobriyan@gmail.com>,
iommu@lists.linux-foundation.org, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
linux-fsdevel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
linuxppc-dev@lists.ozlabs.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 3/3] fs/core/vmcore: Move sev_active() reference to x86 arch code
Date: Fri, 12 Jul 2019 16:08:12 +0200 [thread overview]
Message-ID: <20190712140812.GA29628@lst.de> (raw)
In-Reply-To: <20190712150912.3097215e.pasic@linux.ibm.com>
On Fri, Jul 12, 2019 at 03:09:12PM +0200, Halil Pasic wrote:
> This is the implementation for the guys that don't
> have ARCH_HAS_MEM_ENCRYPT.
>
> Means sev_active() may not be used in such code after this
> patch. What about
>
> static inline bool force_dma_unencrypted(void)
> {
> return sev_active();
> }
>
> in kernel/dma/direct.c?
FYI, I have this pending in the dma-mapping tree:
http://git.infradead.org/users/hch/dma-mapping.git/commitdiff/e67a5ed1f86f4370991c601f2fcad9ebf9e1eebb
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Halil Pasic <pasic@linux.ibm.com>
Cc: Thiago Jung Bauermann <bauerman@linux.ibm.com>,
x86@kernel.org, iommu@lists.linux-foundation.org,
linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>, Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
Mike Anderson <andmike@linux.ibm.com>,
Ram Pai <linuxram@us.ibm.com>
Subject: Re: [PATCH 3/3] fs/core/vmcore: Move sev_active() reference to x86 arch code
Date: Fri, 12 Jul 2019 16:08:12 +0200 [thread overview]
Message-ID: <20190712140812.GA29628@lst.de> (raw)
In-Reply-To: <20190712150912.3097215e.pasic@linux.ibm.com>
On Fri, Jul 12, 2019 at 03:09:12PM +0200, Halil Pasic wrote:
> This is the implementation for the guys that don't
> have ARCH_HAS_MEM_ENCRYPT.
>
> Means sev_active() may not be used in such code after this
> patch. What about
>
> static inline bool force_dma_unencrypted(void)
> {
> return sev_active();
> }
>
> in kernel/dma/direct.c?
FYI, I have this pending in the dma-mapping tree:
http://git.infradead.org/users/hch/dma-mapping.git/commitdiff/e67a5ed1f86f4370991c601f2fcad9ebf9e1eebb
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Halil Pasic <pasic@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, Mike Anderson <andmike@linux.ibm.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Robin Murphy <robin.murphy@arm.com>,
x86@kernel.org, Ram Pai <linuxram@us.ibm.com>,
linux-kernel@vger.kernel.org,
Alexey Dobriyan <adobriyan@gmail.com>,
iommu@lists.linux-foundation.org, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
linux-fsdevel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
linuxppc-dev@lists.ozlabs.org, Christoph Hellwig <hch@lst.de>,
Thiago Jung Bauermann <bauerman@linux.ibm.com>,
Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: [PATCH 3/3] fs/core/vmcore: Move sev_active() reference to x86 arch code
Date: Fri, 12 Jul 2019 16:08:12 +0200 [thread overview]
Message-ID: <20190712140812.GA29628@lst.de> (raw)
In-Reply-To: <20190712150912.3097215e.pasic@linux.ibm.com>
On Fri, Jul 12, 2019 at 03:09:12PM +0200, Halil Pasic wrote:
> This is the implementation for the guys that don't
> have ARCH_HAS_MEM_ENCRYPT.
>
> Means sev_active() may not be used in such code after this
> patch. What about
>
> static inline bool force_dma_unencrypted(void)
> {
> return sev_active();
> }
>
> in kernel/dma/direct.c?
FYI, I have this pending in the dma-mapping tree:
http://git.infradead.org/users/hch/dma-mapping.git/commitdiff/e67a5ed1f86f4370991c601f2fcad9ebf9e1eebb
next prev parent reply other threads:[~2019-07-12 14:18 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-12 5:36 [PATCH 0/3] Remove x86-specific code from generic headers Thiago Jung Bauermann
2019-07-12 5:36 ` Thiago Jung Bauermann
2019-07-12 5:36 ` Thiago Jung Bauermann
2019-07-12 5:36 ` [PATCH 1/3] x86/Kconfig: Move ARCH_HAS_MEM_ENCRYPT to arch/Kconfig Thiago Jung Bauermann
2019-07-12 5:36 ` Thiago Jung Bauermann
2019-07-12 5:36 ` Thiago Jung Bauermann
2019-07-12 16:04 ` Thomas Gleixner
2019-07-12 16:04 ` Thomas Gleixner
2019-07-12 16:04 ` Thomas Gleixner
2019-07-12 23:35 ` Thiago Jung Bauermann
2019-07-12 23:35 ` Thiago Jung Bauermann
2019-07-12 23:35 ` Thiago Jung Bauermann
2019-07-12 5:36 ` [PATCH 2/3] DMA mapping: Move SME handling to x86-specific files Thiago Jung Bauermann
2019-07-12 5:36 ` Thiago Jung Bauermann
2019-07-12 5:36 ` Thiago Jung Bauermann
2019-07-12 7:13 ` Christoph Hellwig
2019-07-12 7:13 ` Christoph Hellwig
2019-07-12 7:13 ` Christoph Hellwig
2019-07-12 23:42 ` Thiago Jung Bauermann
2019-07-12 23:42 ` Thiago Jung Bauermann
2019-07-12 23:42 ` Thiago Jung Bauermann
2019-07-12 23:42 ` Thiago Jung Bauermann
2019-07-12 16:09 ` Thomas Gleixner
2019-07-12 16:09 ` Thomas Gleixner
2019-07-12 16:09 ` Thomas Gleixner
2019-07-18 19:47 ` Thiago Jung Bauermann
2019-07-18 19:47 ` Thiago Jung Bauermann
2019-07-18 19:47 ` Thiago Jung Bauermann
2019-07-19 9:05 ` kbuild test robot
2019-07-19 9:05 ` kbuild test robot
2019-07-19 9:05 ` kbuild test robot
2019-07-20 0:22 ` Thiago Jung Bauermann
2019-07-20 0:22 ` Thiago Jung Bauermann
2019-07-20 0:22 ` Thiago Jung Bauermann
2019-07-12 5:36 ` [PATCH 3/3] fs/core/vmcore: Move sev_active() reference to x86 arch code Thiago Jung Bauermann
2019-07-12 5:36 ` Thiago Jung Bauermann
2019-07-12 5:36 ` Thiago Jung Bauermann
2019-07-12 13:09 ` Halil Pasic
2019-07-12 13:09 ` Halil Pasic
2019-07-12 13:09 ` Halil Pasic
2019-07-12 14:08 ` Christoph Hellwig [this message]
2019-07-12 14:08 ` Christoph Hellwig
2019-07-12 14:08 ` Christoph Hellwig
2019-07-12 14:51 ` Halil Pasic
2019-07-12 14:51 ` Halil Pasic
2019-07-12 14:51 ` Halil Pasic
2019-07-12 15:11 ` Christoph Hellwig
2019-07-12 15:11 ` Christoph Hellwig
2019-07-12 15:11 ` Christoph Hellwig
2019-07-12 15:42 ` Halil Pasic
2019-07-12 15:42 ` Halil Pasic
2019-07-12 15:42 ` Halil Pasic
2019-07-13 8:08 ` Christoph Hellwig
2019-07-13 8:08 ` Christoph Hellwig
2019-07-13 8:08 ` Christoph Hellwig
2019-07-12 21:55 ` Thiago Jung Bauermann
2019-07-12 21:55 ` Thiago Jung Bauermann
2019-07-12 21:55 ` Thiago Jung Bauermann
2019-07-12 21:55 ` Thiago Jung Bauermann
2019-07-15 14:03 ` Halil Pasic
2019-07-15 14:03 ` Halil Pasic
2019-07-15 14:03 ` Halil Pasic
2019-07-15 14:03 ` Halil Pasic
2019-07-15 14:30 ` Christoph Hellwig
2019-07-15 14:30 ` Christoph Hellwig
2019-07-15 14:30 ` Christoph Hellwig
2019-07-15 15:44 ` Lendacky, Thomas
2019-07-15 15:44 ` Lendacky, Thomas
2019-07-15 15:44 ` Lendacky, Thomas
2019-07-15 20:14 ` Thiago Jung Bauermann
2019-07-15 20:14 ` Thiago Jung Bauermann
2019-07-15 20:14 ` Thiago Jung Bauermann
2019-07-15 20:14 ` Thiago Jung Bauermann
-- strict thread matches above, loose matches on Subject: below --
2019-07-13 4:45 [PATCH 0/3] Remove x86-specific code from generic headers Thiago Jung Bauermann
2019-07-13 4:45 ` [PATCH 3/3] fs/core/vmcore: Move sev_active() reference to x86 arch code Thiago Jung Bauermann
2019-07-13 4:45 ` Thiago Jung Bauermann
2019-07-13 4:45 ` Thiago Jung Bauermann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190712140812.GA29628@lst.de \
--to=hch@lst.de \
--cc=adobriyan@gmail.com \
--cc=andmike@linux.ibm.com \
--cc=bp@alien8.de \
--cc=hpa@zytor.com \
--cc=iommu@lists.linux-foundation.org \
--cc=konrad.wilk@oracle.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=linuxram@us.ibm.com \
--cc=mingo@redhat.com \
--cc=pasic@linux.ibm.com \
--cc=robin.murphy@arm.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.