Re: [PATCH v2 01/12] x86/ioremap: Fix page aligned size calculation in __ioremap_caller()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 11/14/22 08:53, Michael Kelley (LINUX) wrote:
>> Because, first of all, that "Mappings have to be page-aligned" thing is
>> (now) doing more than page-aligning things.  Second, the moment you mask
>> out the metadata bits, the 'size' calculation gets harder.  Doing it in
>> two phases (page alignment followed by metadata bit masking) breaks up
>> the two logical operations.
>>
> Work for me.  Will do this in v3.

Kirill also made a good point about TDX: it isn't affected by this
because it always passes *real* (no metadata bits set) physical
addresses in here.  Could you double check that you don't want to do the
same for your code?





[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux