From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: benh@kernel.crashing.org, mpe@ellerman.id.au, anton@samba.org,
paulus@samba.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 10/13] powerpc: Add "bitmask" paramater to MASKABLE_* macros
Date: Mon, 19 Sep 2016 11:28:38 +0530 [thread overview]
Message-ID: <b96bbfdf-6124-c53e-caec-8e7ecab33622@linux.vnet.ibm.com> (raw)
In-Reply-To: <20160916210344.5689fbd8@roar.ozlabs.ibm.com>
On Friday 16 September 2016 04:33 PM, Nicholas Piggin wrote:
> On Thu, 15 Sep 2016 18:32:00 +0530
> Madhavan Srinivasan <maddy@linux.vnet.ibm.com> wrote:
>
>> Make it explicit the interrupt masking supported
>> by a gievn interrupt handler. Patch correspondingly
>> extends the MASKABLE_* macros with an addition's parameter.
>> "bitmask" parameter is passed to SOFTEN_TEST macro to decide
>> on masking the interrupt.
>>
>> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
>> ---
>> arch/powerpc/include/asm/exception-64s.h | 62 ++++++++++++++++----------------
>> arch/powerpc/kernel/exceptions-64s.S | 36 ++++++++++++-------
>> 2 files changed, 54 insertions(+), 44 deletions(-)
>>
>> diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
>> index 1eea4ab75607..41be0c2d7658 100644
>> --- a/arch/powerpc/include/asm/exception-64s.h
>> +++ b/arch/powerpc/include/asm/exception-64s.h
>> @@ -179,9 +179,9 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
>> * checking of the interrupt maskable level in the SOFTEN_TEST.
>> * Intended to be used in MASKABLE_EXCPETION_* macros.
>> */
>> -#define __EXCEPTION_PROLOG_1(area, extra, vec) \
>> +#define __EXCEPTION_PROLOG_1(area, extra, vec, bitmask) \
>> __EXCEPTION_PROLOG_1_PRE(area); \
>> - extra(vec); \
>> + extra(vec, bitmask); \
>> __EXCEPTION_PROLOG_1_POST(area);
>>
>> /*
> Is __EXCEPTION_PROLOG_1 now for maskable exceptions, and EXCEPTION_PROLOG_1
> for unmaskable? Does it make sense to rename __EXCEPTION_PROLOG_1 to
> MASKABLE_EXCEPTION_PROLOG_1? Reducing the mystery underscores in this file would
> be nice!
Yes. That is true. Will make the changes.
Maddy
>
> This worked out nicely with mask bit being passed in by the exception handlers.
> Very neat.
Thanks.
> Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
>
next prev parent reply other threads:[~2016-09-19 5:58 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-15 13:01 [PATCH 00/13] powerpc: "paca->soft_enabled" based local atomic operation implementation Madhavan Srinivasan
2016-09-15 13:01 ` [PATCH 01/13] powerpc: Add #defs for paca->soft_enabled flags Madhavan Srinivasan
2016-09-15 13:01 ` [PATCH 02/13] powerpc: Cleanup to use IRQ_DISABLE_MASK_* macros for paca->soft_enabled update Madhavan Srinivasan
2016-09-16 9:47 ` Nicholas Piggin
2016-09-19 4:04 ` Madhavan Srinivasan
2016-09-15 13:01 ` [PATCH 03/13] powerpc: move set_soft_enabled() and rename Madhavan Srinivasan
2016-09-16 9:50 ` Nicholas Piggin
2016-09-19 4:05 ` Madhavan Srinivasan
2016-09-15 13:01 ` [PATCH 04/13] powerpc: Use soft_enabled_set api to update paca->soft_enabled Madhavan Srinivasan
2016-09-16 9:53 ` Nicholas Piggin
2016-09-16 11:43 ` David Laight
2016-09-16 11:59 ` Nicholas Piggin
2016-09-16 13:22 ` David Laight
2016-09-19 2:52 ` Nicholas Piggin
2016-09-19 5:32 ` Madhavan Srinivasan
2016-09-19 5:05 ` Madhavan Srinivasan
2016-09-19 4:11 ` Madhavan Srinivasan
2016-09-15 13:01 ` [PATCH 05/13] powerpc: Add soft_enabled manipulation functions Madhavan Srinivasan
2016-09-16 9:57 ` Nicholas Piggin
2016-09-19 5:41 ` Madhavan Srinivasan
2016-09-15 13:01 ` [PATCH 06/13] powerpc: reverse the soft_enable logic Madhavan Srinivasan
2016-09-16 10:05 ` Nicholas Piggin
2016-09-19 5:45 ` Madhavan Srinivasan
2016-09-15 13:01 ` [PATCH 07/13] powerpc: Avoid using EXCEPTION_PROLOG_1 macro in MASKABLE_* Madhavan Srinivasan
2016-09-16 10:08 ` Nicholas Piggin
2016-09-15 13:01 ` [PATCH 08/13] powerpc: Add new _EXCEPTION_PROLOG_1 macro Madhavan Srinivasan
2016-09-16 10:12 ` Nicholas Piggin
2016-09-19 5:54 ` Madhavan Srinivasan
2016-09-15 13:01 ` [PATCH 09/13] powerpc: Introduce new mask bit for soft_enabled Madhavan Srinivasan
2016-09-16 10:16 ` Nicholas Piggin
2016-09-19 5:57 ` Madhavan Srinivasan
2016-09-15 13:02 ` [PATCH 10/13] powerpc: Add "bitmask" paramater to MASKABLE_* macros Madhavan Srinivasan
2016-09-16 11:03 ` Nicholas Piggin
2016-09-19 5:58 ` Madhavan Srinivasan [this message]
2016-09-15 13:02 ` [PATCH 11/13] powerpc: Add support to mask perf interrupts and replay them Madhavan Srinivasan
2016-09-16 10:47 ` Nicholas Piggin
2016-09-15 13:02 ` [PATCH 12/13] powerpc: Add a Kconfig and a functions to set new soft_enabled mask Madhavan Srinivasan
2016-09-16 10:34 ` Nicholas Piggin
2016-09-16 10:56 ` Nicholas Piggin
2016-09-19 6:03 ` Madhavan Srinivasan
2016-09-15 13:02 ` [PATCH 13/13] powerpc: rewrite local_t using soft_irq Madhavan Srinivasan
2016-09-15 16:55 ` kbuild test robot
2016-09-16 11:01 ` Nicholas Piggin
2016-09-16 11:08 ` [PATCH 00/13] powerpc: "paca->soft_enabled" based local atomic operation implementation Nicholas Piggin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b96bbfdf-6124-c53e-caec-8e7ecab33622@linux.vnet.ibm.com \
--to=maddy@linux.vnet.ibm.com \
--cc=anton@samba.org \
--cc=benh@kernel.crashing.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=npiggin@gmail.com \
--cc=paulus@samba.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.