Re: [PATCH v2] console: Add console=auto option

2018-08-29 Thread Prarit Bhargava
On 08/17/2018 08:57 AM, Petr Mladek wrote: > On Fri 2018-08-17 07:06:56, Prarit Bhargava wrote: >> On 08/17/2018 06:50 AM, Sergey Senozhatsky wrote: Like I mentioned to Petr, I'd like to know if you (or anyone else) has strong feelings about changing the behaviour of earlycon on

Re: [PATCH v2] console: Add console=auto option

2018-08-29 Thread Prarit Bhargava
On 08/17/2018 08:57 AM, Petr Mladek wrote: > On Fri 2018-08-17 07:06:56, Prarit Bhargava wrote: >> On 08/17/2018 06:50 AM, Sergey Senozhatsky wrote: Like I mentioned to Petr, I'd like to know if you (or anyone else) has strong feelings about changing the behaviour of earlycon on

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Petr Mladek
On Fri 2018-08-17 07:06:56, Prarit Bhargava wrote: > On 08/17/2018 06:50 AM, Sergey Senozhatsky wrote: > >> Like I mentioned to Petr, I'd like to know if you (or anyone else) has > >> strong > >> feelings about changing the behaviour of earlycon on x86? I could make it > >> so > >> that

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Petr Mladek
On Fri 2018-08-17 07:06:56, Prarit Bhargava wrote: > On 08/17/2018 06:50 AM, Sergey Senozhatsky wrote: > >> Like I mentioned to Petr, I'd like to know if you (or anyone else) has > >> strong > >> feelings about changing the behaviour of earlycon on x86? I could make it > >> so > >> that

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Prarit Bhargava
On 08/17/2018 06:50 AM, Sergey Senozhatsky wrote: > Hello, > > Cc-ing Peter Zijlstra > > lkml.kernel.org/r/728a8e68-ea4b-4040-a0fc-217df4f19...@redhat.com > lkml.kernel.org/r/20180817081947.m425gok2ugt7t...@pathway.suse.cz >

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Prarit Bhargava
On 08/17/2018 06:50 AM, Sergey Senozhatsky wrote: > Hello, > > Cc-ing Peter Zijlstra > > lkml.kernel.org/r/728a8e68-ea4b-4040-a0fc-217df4f19...@redhat.com > lkml.kernel.org/r/20180817081947.m425gok2ugt7t...@pathway.suse.cz >

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Sergey Senozhatsky
Hello, Cc-ing Peter Zijlstra lkml.kernel.org/r/728a8e68-ea4b-4040-a0fc-217df4f19...@redhat.com lkml.kernel.org/r/20180817081947.m425gok2ugt7t...@pathway.suse.cz lkml.kernel.org/r/00c60dca-60bc-8568-eaa3-d4b0c326c...@redhat.com On (08/17/18 06:36), Prarit Bhargava wrote: > On 08/17/2018

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Sergey Senozhatsky
Hello, Cc-ing Peter Zijlstra lkml.kernel.org/r/728a8e68-ea4b-4040-a0fc-217df4f19...@redhat.com lkml.kernel.org/r/20180817081947.m425gok2ugt7t...@pathway.suse.cz lkml.kernel.org/r/00c60dca-60bc-8568-eaa3-d4b0c326c...@redhat.com On (08/17/18 06:36), Prarit Bhargava wrote: > On 08/17/2018

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Prarit Bhargava
On 08/17/2018 05:38 AM, Sergey Senozhatsky wrote: > On (08/16/18 13:39), Prarit Bhargava wrote: >> >> +auto[X86] Enable ACPI SPCR console > > And arm64? Hi Sergey, on arm64 if an SPCR is present the early console and console are

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Prarit Bhargava
On 08/17/2018 05:38 AM, Sergey Senozhatsky wrote: > On (08/16/18 13:39), Prarit Bhargava wrote: >> >> +auto[X86] Enable ACPI SPCR console > > And arm64? Hi Sergey, on arm64 if an SPCR is present the early console and console are

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Prarit Bhargava
On 08/17/2018 04:19 AM, Petr Mladek wrote: > On Thu 2018-08-16 13:39:01, Prarit Bhargava wrote: >> ACPI may contain an SPCR table that defines a default system console. >> On ARM if the table is present then the SPCR console is enabled by default. >> On x86 the SPCR console is used if

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Prarit Bhargava
On 08/17/2018 04:19 AM, Petr Mladek wrote: > On Thu 2018-08-16 13:39:01, Prarit Bhargava wrote: >> ACPI may contain an SPCR table that defines a default system console. >> On ARM if the table is present then the SPCR console is enabled by default. >> On x86 the SPCR console is used if

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Sergey Senozhatsky
On (08/16/18 13:39), Prarit Bhargava wrote: > > + auto[X86] Enable ACPI SPCR console And arm64? Any chance we can rename param to "spcr" or something more clear? To explicitly state what exactly it's going to do. `auto' sounds

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Sergey Senozhatsky
On (08/16/18 13:39), Prarit Bhargava wrote: > > + auto[X86] Enable ACPI SPCR console And arm64? Any chance we can rename param to "spcr" or something more clear? To explicitly state what exactly it's going to do. `auto' sounds

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Petr Mladek
On Thu 2018-08-16 13:39:01, Prarit Bhargava wrote: > ACPI may contain an SPCR table that defines a default system console. > On ARM if the table is present then the SPCR console is enabled by default. > On x86 the SPCR console is used if 'earlycon' (no parameters) is > specified as a kernel

Re: [PATCH v2] console: Add console=auto option

2018-08-17 Thread Petr Mladek
On Thu 2018-08-16 13:39:01, Prarit Bhargava wrote: > ACPI may contain an SPCR table that defines a default system console. > On ARM if the table is present then the SPCR console is enabled by default. > On x86 the SPCR console is used if 'earlycon' (no parameters) is > specified as a kernel

[PATCH v2] console: Add console=auto option

2018-08-16 Thread Prarit Bhargava
ACPI may contain an SPCR table that defines a default system console. On ARM if the table is present then the SPCR console is enabled by default. On x86 the SPCR console is used if 'earlycon' (no parameters) is specified as a kernel parameter and is used only as the early console. To use the SPCR

[PATCH v2] console: Add console=auto option

2018-08-16 Thread Prarit Bhargava
ACPI may contain an SPCR table that defines a default system console. On ARM if the table is present then the SPCR console is enabled by default. On x86 the SPCR console is used if 'earlycon' (no parameters) is specified as a kernel parameter and is used only as the early console. To use the SPCR