From: "H. Peter Anvin" <hpa@zytor.com>
To: "Luck, Tony" <tony.luck@intel.com>,
Will Deacon <will.deacon@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "linux-alpha@vger.kernel.org" <linux-alpha@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>,
"mingo@redhat.com" <mingo@redhat.com>,
"heiko.carstens@de.ibm.com" <heiko.carstens@de.ibm.com>,
"schwidefsky@de.ibm.com" <schwidefsky@de.ibm.com>,
"mattst88@gmail.com" <mattst88@gmail.com>,
"ink@jurassic.park.msu.ru" <ink@jurassic.park.msu.ru>,
"rth@twiddle.net" <rth@twiddle.net>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
marc.zyngi
Subject: Re: [PATCH 6/6] arm64: switch to relative exception tables
Date: Mon, 04 Jan 2016 11:21:46 -0800 [thread overview]
Message-ID: <568AC64A.4090601@zytor.com> (raw)
In-Reply-To: <3908561D78D1C84285E8C5FCA982C28F39FA127B@ORSMSX114.amr.corp.intel.com>
On 01/04/2016 10:20 AM, Luck, Tony wrote:
>> May I humbly ask why the [Finnish] you don't use the equivalent of the
>> x86 _ASM_EXTABLE() macro? In fact, why don't we make that one generic, too?
>
> I'm messing with that right now (with help from Andy Lutomirski and Boris) to
> add different classes of exception table (so I can tag some instructions as being
> suitable for fixup from the machine check handler). So it might not be generic
> for much longer.
>
> http://marc.info/?l=linux-kernel&m=145187079504846&w=2
>
I suspect that means we will also need to go back to arch-specific
sorting for x86.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: "Luck, Tony" <tony.luck@intel.com>,
Will Deacon <will.deacon@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "linux-alpha@vger.kernel.org" <linux-alpha@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>,
"mingo@redhat.com" <mingo@redhat.com>,
"heiko.carstens@de.ibm.com" <heiko.carstens@de.ibm.com>,
"schwidefsky@de.ibm.com" <schwidefsky@de.ibm.com>,
"mattst88@gmail.com" <mattst88@gmail.com>,
"ink@jurassic.park.msu.ru" <ink@jurassic.park.msu.ru>,
"rth@twiddle.net" <rth@twiddle.net>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"marc.zyngier@arm.com" <marc.zyngier@arm.com>
Subject: Re: [PATCH 6/6] arm64: switch to relative exception tables
Date: Mon, 04 Jan 2016 19:21:46 +0000 [thread overview]
Message-ID: <568AC64A.4090601@zytor.com> (raw)
In-Reply-To: <3908561D78D1C84285E8C5FCA982C28F39FA127B@ORSMSX114.amr.corp.intel.com>
On 01/04/2016 10:20 AM, Luck, Tony wrote:
>> May I humbly ask why the [Finnish] you don't use the equivalent of the
>> x86 _ASM_EXTABLE() macro? In fact, why don't we make that one generic, too?
>
> I'm messing with that right now (with help from Andy Lutomirski and Boris) to
> add different classes of exception table (so I can tag some instructions as being
> suitable for fixup from the machine check handler). So it might not be generic
> for much longer.
>
> http://marc.info/?l=linux-kernel&m\x145187079504846&w=2
>
I suspect that means we will also need to go back to arch-specific
sorting for x86.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: hpa@zytor.com (H. Peter Anvin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/6] arm64: switch to relative exception tables
Date: Mon, 04 Jan 2016 11:21:46 -0800 [thread overview]
Message-ID: <568AC64A.4090601@zytor.com> (raw)
In-Reply-To: <3908561D78D1C84285E8C5FCA982C28F39FA127B@ORSMSX114.amr.corp.intel.com>
On 01/04/2016 10:20 AM, Luck, Tony wrote:
>> May I humbly ask why the [Finnish] you don't use the equivalent of the
>> x86 _ASM_EXTABLE() macro? In fact, why don't we make that one generic, too?
>
> I'm messing with that right now (with help from Andy Lutomirski and Boris) to
> add different classes of exception table (so I can tag some instructions as being
> suitable for fixup from the machine check handler). So it might not be generic
> for much longer.
>
> http://marc.info/?l=linux-kernel&m=145187079504846&w=2
>
I suspect that means we will also need to go back to arch-specific
sorting for x86.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: "Luck, Tony" <tony.luck@intel.com>,
Will Deacon <will.deacon@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "linux-alpha@vger.kernel.org" <linux-alpha@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>,
"mingo@redhat.com" <mingo@redhat.com>,
"heiko.carstens@de.ibm.com" <heiko.carstens@de.ibm.com>,
"schwidefsky@de.ibm.com" <schwidefsky@de.ibm.com>,
"mattst88@gmail.com" <mattst88@gmail.com>,
"ink@jurassic.park.msu.ru" <ink@jurassic.park.msu.ru>,
"rth@twiddle.net" <rth@twiddle.net>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"marc.zyngier@arm.com" <marc.zyngier@arm.com>
Subject: Re: [PATCH 6/6] arm64: switch to relative exception tables
Date: Mon, 04 Jan 2016 11:21:46 -0800 [thread overview]
Message-ID: <568AC64A.4090601@zytor.com> (raw)
In-Reply-To: <3908561D78D1C84285E8C5FCA982C28F39FA127B@ORSMSX114.amr.corp.intel.com>
On 01/04/2016 10:20 AM, Luck, Tony wrote:
>> May I humbly ask why the [Finnish] you don't use the equivalent of the
>> x86 _ASM_EXTABLE() macro? In fact, why don't we make that one generic, too?
>
> I'm messing with that right now (with help from Andy Lutomirski and Boris) to
> add different classes of exception table (so I can tag some instructions as being
> suitable for fixup from the machine check handler). So it might not be generic
> for much longer.
>
> http://marc.info/?l=linux-kernel&m=145187079504846&w=2
>
I suspect that means we will also need to go back to arch-specific
sorting for x86.
-hpa
next prev parent reply other threads:[~2016-01-04 19:21 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-03 16:05 [PATCH 0/6] generic relative extable support Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` [PATCH 1/6] extable: add support for relative extables to search and sort routines Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-04 21:05 ` Helge Deller
2016-01-04 21:05 ` Helge Deller
2016-01-04 21:05 ` Helge Deller
2016-01-03 16:05 ` [PATCH 2/6] alpha/extable: use generic " Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` [PATCH 3/6] s390/extable: " Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` [PATCH 4/6] x86/extable: " Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` [PATCH 5/6] ia64/extable: " Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` [PATCH 6/6] arm64: switch to relative exception tables Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-03 16:05 ` Ard Biesheuvel
2016-01-04 14:46 ` Will Deacon
2016-01-04 14:46 ` Will Deacon
2016-01-04 14:46 ` Will Deacon
2016-01-04 18:13 ` H. Peter Anvin
2016-01-04 18:13 ` H. Peter Anvin
2016-01-04 18:13 ` H. Peter Anvin
2016-01-04 18:20 ` Luck, Tony
2016-01-04 18:20 ` Luck, Tony
2016-01-04 18:20 ` Luck, Tony
2016-01-04 18:20 ` Luck, Tony
2016-01-04 18:47 ` H. Peter Anvin
2016-01-04 18:47 ` H. Peter Anvin
2016-01-04 18:47 ` H. Peter Anvin
2016-01-04 18:47 ` H. Peter Anvin
2016-01-04 19:21 ` H. Peter Anvin [this message]
2016-01-04 19:21 ` H. Peter Anvin
2016-01-04 19:21 ` H. Peter Anvin
2016-01-04 19:21 ` H. Peter Anvin
2016-01-04 19:28 ` Ard Biesheuvel
2016-01-04 19:28 ` Ard Biesheuvel
2016-01-04 19:28 ` Ard Biesheuvel
2016-01-04 19:28 ` Ard Biesheuvel
2016-01-04 19:49 ` Luck, Tony
2016-01-04 19:49 ` Luck, Tony
2016-01-04 19:49 ` Luck, Tony
2016-01-04 19:49 ` Luck, Tony
2016-01-04 11:20 ` [PATCH 0/6] generic relative extable support Heiko Carstens
2016-01-04 11:20 ` Heiko Carstens
2016-01-04 11:20 ` Heiko Carstens
2016-01-04 18:15 ` H. Peter Anvin
2016-01-04 18:15 ` H. Peter Anvin
2016-01-04 18:15 ` H. Peter Anvin
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