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From: Markos Chandras <Markos.Chandras@imgtec.com>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	<linux-mips@linux-mips.org>
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Subject: Re: [PATCH 1/3] MIPS: Add new option for unique RI/XI exceptions
Date: Wed, 16 Jul 2014 08:45:28 +0100	[thread overview]
Message-ID: <53C62D98.6010307@imgtec.com> (raw)
In-Reply-To: <53C5523E.7060503@cogentembedded.com>

Hi Sergei,

On 07/15/2014 05:09 PM, Sergei Shtylyov wrote:
> Hello.
> 
> On 07/15/2014 05:09 PM, Markos Chandras wrote:
> 
>> From: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
> 
>> MIPSr5 added support for unique exception codes for the Read-Inhibit
>> and Execute-Inhibit exceptions.
> 
>> Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
>> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
> [...]
> 
>> diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
>> index 8219c0a5f77e..be13f2879c84 100644
>> --- a/arch/mips/include/asm/cpu.h
>> +++ b/arch/mips/include/asm/cpu.h
>> @@ -364,6 +364,7 @@ enum cpu_type_enum {
>>   #define MIPS_CPU_SEGMENTS    0x04000000ull /* CPU supports
>> Segmentation Control registers */
>>   #define MIPS_CPU_EVA        0x80000000ull /* CPU supports Enhanced
>> Virtual Addressing */
>>   #define MIPS_CPU_HTW        0x100000000ull /* CPU support Hardware
>> Page Table Walker */
>> +#define MIPS_CPU_RIXIEX        0x200000000ull /* CPU has unique
>> exception codes for {Read, Execute}-Inhibit exceptions */
> 
>    I think this conflicts with the MAAR patchset.
> 
> WBR, Sergei
> 

Well yes, but it's easy to resolve these conflicts.

-- 
markos

WARNING: multiple messages have this Message-ID (diff)
From: Markos Chandras <Markos.Chandras@imgtec.com>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	linux-mips@linux-mips.org
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Subject: Re: [PATCH 1/3] MIPS: Add new option for unique RI/XI exceptions
Date: Wed, 16 Jul 2014 08:45:28 +0100	[thread overview]
Message-ID: <53C62D98.6010307@imgtec.com> (raw)
Message-ID: <20140716074528.VUqEz1LD79xJaVuZ_YgS6nN7u4c18GlAlVSDAykigCk@z> (raw)
In-Reply-To: <53C5523E.7060503@cogentembedded.com>

Hi Sergei,

On 07/15/2014 05:09 PM, Sergei Shtylyov wrote:
> Hello.
> 
> On 07/15/2014 05:09 PM, Markos Chandras wrote:
> 
>> From: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
> 
>> MIPSr5 added support for unique exception codes for the Read-Inhibit
>> and Execute-Inhibit exceptions.
> 
>> Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
>> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
> [...]
> 
>> diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
>> index 8219c0a5f77e..be13f2879c84 100644
>> --- a/arch/mips/include/asm/cpu.h
>> +++ b/arch/mips/include/asm/cpu.h
>> @@ -364,6 +364,7 @@ enum cpu_type_enum {
>>   #define MIPS_CPU_SEGMENTS    0x04000000ull /* CPU supports
>> Segmentation Control registers */
>>   #define MIPS_CPU_EVA        0x80000000ull /* CPU supports Enhanced
>> Virtual Addressing */
>>   #define MIPS_CPU_HTW        0x100000000ull /* CPU support Hardware
>> Page Table Walker */
>> +#define MIPS_CPU_RIXIEX        0x200000000ull /* CPU has unique
>> exception codes for {Read, Execute}-Inhibit exceptions */
> 
>    I think this conflicts with the MAAR patchset.
> 
> WBR, Sergei
> 

Well yes, but it's easy to resolve these conflicts.

-- 
markos

  reply	other threads:[~2014-07-16  7:45 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-15 13:09 [PATCH 0/3] Use dedicated RI/XI exceptions for MIPSR5 cores Markos Chandras
2014-07-15 13:09 ` Markos Chandras
2014-07-15 13:09 ` [PATCH 1/3] MIPS: Add new option for unique RI/XI exceptions Markos Chandras
2014-07-15 13:09   ` Markos Chandras
2014-07-15 16:09   ` Sergei Shtylyov
2014-07-16  7:45     ` Markos Chandras [this message]
2014-07-16  7:45       ` Markos Chandras
2014-07-15 13:09 ` [PATCH 2/3] MIPS: Use dedicated exception handler if CPU supports " Markos Chandras
2014-07-15 13:09   ` Markos Chandras
2014-07-15 13:09 ` [PATCH 3/3] MIPS: kernel: cpu-probe: Detect unique " Markos Chandras
2014-07-15 13:09   ` Markos Chandras
2014-07-15 18:50 ` [PATCH 0/3] Use dedicated RI/XI exceptions for MIPSR5 cores David Daney
2014-07-16  7:44   ` Markos Chandras
2014-07-16  7:44     ` Markos Chandras

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