Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect route

2016-12-05 Thread Marc Zyngier
On 05/12/16 03:11, majun (Euler7) wrote: > Hi Marc: > > 在 2016/12/2 17:35, Marc Zyngier 写道: >> On 02/12/16 09:29, majun (Euler7) wrote: >>> >>> >>> 在 2016/12/1 17:07, Marc Zyngier 写道: On 01/12/16 07:45, Majun wrote: > From: MaJun > > For current ITS driver, two level table (indir

Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect route

2016-12-04 Thread majun (Euler7)
Hi Marc: 在 2016/12/2 17:35, Marc Zyngier 写道: > On 02/12/16 09:29, majun (Euler7) wrote: >> >> >> 在 2016/12/1 17:07, Marc Zyngier 写道: >>> On 01/12/16 07:45, Majun wrote: From: MaJun For current ITS driver, two level table (indirect route) is enabled when the memory used f

Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect route

2016-12-02 Thread Marc Zyngier
On 02/12/16 09:29, majun (Euler7) wrote: > > > 在 2016/12/1 17:07, Marc Zyngier 写道: >> On 01/12/16 07:45, Majun wrote: >>> From: MaJun >>> >>> For current ITS driver, two level table (indirect route) is enabled when >>> the memory used >>> for LPI route table over the limit(64KB * 2) size. But t

Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect route

2016-12-02 Thread majun (Euler7)
在 2016/12/1 17:07, Marc Zyngier 写道: > On 01/12/16 07:45, Majun wrote: >> From: MaJun >> >> For current ITS driver, two level table (indirect route) is enabled when the >> memory used >> for LPI route table over the limit(64KB * 2) size. But this function impact >> the >> performance of LPI in

Re: [RFC PATCH 0/3] Add a new flag for ITS device to control indirect route

2016-12-01 Thread Marc Zyngier
On 01/12/16 07:45, Majun wrote: > From: MaJun > > For current ITS driver, two level table (indirect route) is enabled when the > memory used > for LPI route table over the limit(64KB * 2) size. But this function impact > the > performance of LPI interrupt actually because need more time to loo

[RFC PATCH 0/3] Add a new flag for ITS device to control indirect route

2016-11-30 Thread Majun
From: MaJun For current ITS driver, two level table (indirect route) is enabled when the memory used for LPI route table over the limit(64KB * 2) size. But this function impact the performance of LPI interrupt actually because need more time to look up the table. Although this function can sa