Re: Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-06-16 Thread Bhupesh Sharma
Cc: Mark Rutland; x...@kernel.org; Will Deacon; Linux Doc Mailing List; > Catalin Marinas; Ard Biesheuvel; kexec mailing list; Linux Kernel Mailing > List; Kazuhito Hagio; James Morse; Dave Anderson; bhupesh linux; > linuxppc-dev@lists.ozlabs.org; linux-arm-kernel; Steve Capper; Ray Ju

RE: Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-06-10 Thread Bharat Gooty
se'; 'Dave Anderson'; 'bhupesh linux'; 'linuxppc-dev@lists.ozlabs.org'; 'linux-arm-kernel'; 'Steve Capper'; Ray Jui Subject: RE: Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo Hello Bhupesh, V6 patch set on Linu

RE: Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-06-10 Thread Bharat Gooty
Morse; Dave Anderson; bhupesh linux; linuxppc-dev@lists.ozlabs.org; linux-arm-kernel; Steve Capper; Ray Jui; Bharat Gooty Subject: Re: Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo Hi Bhupesh, On 2020-02-23 10:25 p.m., Bhupesh Sharma wrote: > Hi Amit, > > On

Re: Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-04-29 Thread Scott Branden
Hi Bhupesh, On 2020-02-23 10:25 p.m., Bhupesh Sharma wrote: Hi Amit, On Fri, Feb 21, 2020 at 2:36 PM Amit Kachhap wrote: Hi Bhupesh, On 1/13/20 5:44 PM, Bhupesh Sharma wrote: Hi James, On 01/11/2020 12:30 AM, Dave Anderson wrote: - Original Message - Hi Bhupesh, On 25/12/2019 19

Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-02-24 Thread Bhupesh Sharma
Hi Amit, On Fri, Feb 21, 2020 at 2:36 PM Amit Kachhap wrote: > > Hi Bhupesh, > > On 1/13/20 5:44 PM, Bhupesh Sharma wrote: > > Hi James, > > > > On 01/11/2020 12:30 AM, Dave Anderson wrote: > >> > >> - Original Message - > >>> Hi Bhupesh, > >>> > >>> On 25/12/2019 19:01, Bhupesh Sharma wr

Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-02-21 Thread Amit Kachhap
Hi Bhupesh, On 1/13/20 5:44 PM, Bhupesh Sharma wrote: Hi James, On 01/11/2020 12:30 AM, Dave Anderson wrote: - Original Message - Hi Bhupesh, On 25/12/2019 19:01, Bhupesh Sharma wrote: On 12/12/2019 04:02 PM, James Morse wrote: On 29/11/2019 19:59, Bhupesh Sharma wrote: vabits_ac

Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-01-13 Thread Bhupesh Sharma
Hi James, On 01/11/2020 12:30 AM, Dave Anderson wrote: - Original Message - Hi Bhupesh, On 25/12/2019 19:01, Bhupesh Sharma wrote: On 12/12/2019 04:02 PM, James Morse wrote: On 29/11/2019 19:59, Bhupesh Sharma wrote: vabits_actual variable on arm64 indicates the actual VA space siz

Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-01-10 Thread Dave Anderson
- Original Message - > Hi Bhupesh, > > On 25/12/2019 19:01, Bhupesh Sharma wrote: > > On 12/12/2019 04:02 PM, James Morse wrote: > >> On 29/11/2019 19:59, Bhupesh Sharma wrote: > >>> vabits_actual variable on arm64 indicates the actual VA space size, > >>> and allows a single binary to

Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2020-01-10 Thread James Morse
Hi Bhupesh, On 25/12/2019 19:01, Bhupesh Sharma wrote: > On 12/12/2019 04:02 PM, James Morse wrote: >> On 29/11/2019 19:59, Bhupesh Sharma wrote: >>> vabits_actual variable on arm64 indicates the actual VA space size, >>> and allows a single binary to support both 48-bit and 52-bit VA >>> spaces.

Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2019-12-25 Thread Bhupesh Sharma
Hi James, On 12/12/2019 04:02 PM, James Morse wrote: Hi Bhupesh, On 29/11/2019 19:59, Bhupesh Sharma wrote: vabits_actual variable on arm64 indicates the actual VA space size, and allows a single binary to support both 48-bit and 52-bit VA spaces. If the ARMv8.2-LVA optional feature is presen

Re: [RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2019-12-12 Thread James Morse
Hi Bhupesh, On 29/11/2019 19:59, Bhupesh Sharma wrote: > vabits_actual variable on arm64 indicates the actual VA space size, > and allows a single binary to support both 48-bit and 52-bit VA > spaces. > > If the ARMv8.2-LVA optional feature is present, and we are running > with a 64KB page size;

[RESEND PATCH v5 2/5] arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo

2019-11-29 Thread Bhupesh Sharma
vabits_actual variable on arm64 indicates the actual VA space size, and allows a single binary to support both 48-bit and 52-bit VA spaces. If the ARMv8.2-LVA optional feature is present, and we are running with a 64KB page size; then it is possible to use 52-bits of address space for both userspa