From: "Ni, Ruiyu" <ruiyu.ni@Intel.com>
To: Laszlo Ersek <lersek@redhat.com>, edk2-devel@lists.01.org
Cc: Garrett <Garrett.Kirkendall@amd.com>,
Star Zeng <star.zeng@intel.com>,
Kirkendall@ml01.01.org
Subject: Re: [PATCH 2/3] MdeModulePkg/PciHostBridge: Fix a bug that prevents PMEM access
Date: Tue, 25 Sep 2018 10:11:00 +0800 [thread overview]
Message-ID: <f0ddd580-58aa-a0b9-e11b-f01fa606e089@Intel.com> (raw)
In-Reply-To: <95b75c62-43e6-e92e-3de8-04e3fdd9cd7b@redhat.com>
On 9/21/2018 7:06 PM, Laszlo Ersek wrote:
> On 09/21/18 09:25, Ruiyu Ni wrote:
>
> The interesting thing about this patch is that, if any one of the first
> three branches is taken, then the final checks will automatically pass.
> That's because, on the first three branches, we select the base & the
> limit *because* the access falls between them. Therefore, in the end,
> when we check whether the access falls between base and end, they
> miraculously happen to do so. :)
The code was written like this to maximally share the final check code:)
>
> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
>
> Thanks
> Laszlo
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel
>
--
Thanks,
Ray
next prev parent reply other threads:[~2018-09-25 2:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-21 7:25 [PATCH 0/3] Fix a bug that prevents PMEM access Ruiyu Ni
2018-09-21 7:25 ` [PATCH 1/3] MdeModulePkg/PciHostBridge: Enhance boundary check in Io/Mem.Read/Write Ruiyu Ni
2018-09-21 10:53 ` Laszlo Ersek
2018-09-24 13:18 ` Kirkendall, Garrett
2018-09-25 2:14 ` Zeng, Star
2018-09-25 2:43 ` Ni, Ruiyu
2018-09-25 3:02 ` Zeng, Star
2018-09-21 7:25 ` [PATCH 2/3] MdeModulePkg/PciHostBridge: Fix a bug that prevents PMEM access Ruiyu Ni
2018-09-21 11:06 ` Laszlo Ersek
2018-09-25 2:11 ` Ni, Ruiyu [this message]
2018-09-24 13:19 ` Kirkendall, Garrett
2018-09-25 2:15 ` Zeng, Star
2018-09-21 7:25 ` [PATCH 3/3] MdeModulePkg/PciHostBridge: Add RESOURCE_VALID() to simplify code Ruiyu Ni
2018-09-21 11:12 ` Laszlo Ersek
2018-09-25 2:25 ` Ni, Ruiyu
2018-09-25 2:35 ` Zeng, Star
2018-09-25 2:47 ` Ni, Ruiyu
2018-09-25 3:13 ` Zeng, Star
2018-09-25 5:03 ` Ni, Ruiyu
2018-09-24 13:20 ` Kirkendall, Garrett
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