From: Bjorn Helgaas <bhelgaas@google.com>
To: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: Jason Wessel <jason.wessel@windriver.com>,
Ralf Baechle <ralf@linux-mips.org>,
Ingo Molnar <mingo@redhat.com>,
John Stultz <john.stultz@linaro.org>,
Eric Paris <eparis@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Harvey Harrison <harvey.harrison@gmail.com>
Subject: Re: [PATCH v1 08/10] kgdb: Remove "weak" from kgdb_arch_pc() declaration
Date: Mon, 20 Oct 2014 10:20:39 -0600 [thread overview]
Message-ID: <CAErSpo5R=K=h_YWCyGMxGqPpWWbyk4MP0n2Wz+bXtwju6mXmLg@mail.gmail.com> (raw)
In-Reply-To: <5440CC6D.4050405@synopsys.com>
On Fri, Oct 17, 2014 at 1:59 AM, Vineet Gupta
<Vineet.Gupta1@synopsys.com> wrote:
> On Thursday 16 October 2014 07:08 PM, Vineet Gupta wrote:
>> On Thursday 16 October 2014 05:05 AM, Bjorn Helgaas wrote:
>>> > [+cc Harvey, Vineet, linux-sh; arc, sh, and x86 have kgdb_arch_pc()
>>> > definitions and could see issues from this]
>> Thanks for the heads up !
>>
>> I compile tested arc tree (with kgdb) from linux-next of today, which has this
>> patch already and things seem to be ok.
>>
>> As a hack I reverted the patch and see that kgdb_arch_pc() becomes weak, although
>> ARC version was still being pulled in final - it was recored as weak and that
>> cause bloat-o-meter to go awry.
>>
>> bloat-o-meter vmlinux-with-fix vmlinux-before-fix
>> add/remove: 0/1 grow/shrink: 1/0 up/down: 1/-8 (-7)
>> function old new delta
>> vermagic 36 37 +1
>> kgdb_arch_pc 8 - -8
>
> The ARC definition of kgdb_arch_pc is same as generic one so we might as well drop it.
> Can you add the patch below to your series. If not I can add it to ARC changes for
> this merge window. Please let me know.
I added the patch below to my series. The merge window just closed,
but I'll try to merge these as fixes before v3.18. Thanks!
Bjorn
> ---------------------->
> From f01b1db6986924e794eddc038167329d63d1fda9 Mon Sep 17 00:00:00 2001
> From: Vineet Gupta <vgupta@synopsys.com>
> Date: Fri, 17 Oct 2014 13:27:03 +0530
> Subject: [PATCH] ARC: kgdb: generic kgdb_arch_pc() suffices
>
> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
> ---
> arch/arc/kernel/kgdb.c | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/arch/arc/kernel/kgdb.c b/arch/arc/kernel/kgdb.c
> index a2ff5c5d1450..ecf6a7869375 100644
> --- a/arch/arc/kernel/kgdb.c
> +++ b/arch/arc/kernel/kgdb.c
> @@ -158,11 +158,6 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int
> err_code,
> return -1;
> }
>
> -unsigned long kgdb_arch_pc(int exception, struct pt_regs *regs)
> -{
> - return instruction_pointer(regs);
> -}
> -
> int kgdb_arch_init(void)
> {
> single_step_data.armed = 0;
> --
> 1.8.3.2
next prev parent reply other threads:[~2014-10-20 16:21 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-15 17:05 [PATCH v1 00/10] Remove weak function declarations Bjorn Helgaas
2014-10-15 17:05 ` [PATCH v1 01/10] audit: Remove "weak" from audit_classify_compat_syscall() declaration Bjorn Helgaas
2014-10-15 23:25 ` Bjorn Helgaas
2014-10-16 17:02 ` Richard Guy Briggs
2014-10-15 17:05 ` [PATCH v1 02/10] x86, intel-mid: Remove "weak" from function declarations Bjorn Helgaas
2014-10-15 23:26 ` Bjorn Helgaas
2014-10-17 0:42 ` sathyanarayanan kuppuswamy
2014-10-17 1:41 ` David Cohen
2014-10-20 16:15 ` Bjorn Helgaas
2014-10-20 17:55 ` David Cohen
2014-10-16 5:09 ` Ingo Molnar
2014-10-15 17:06 ` [PATCH v1 03/10] MIPS: CPC: Make mips_cpc_phys_base() static Bjorn Helgaas
2014-10-15 23:27 ` Bjorn Helgaas
2014-10-15 23:28 ` Bjorn Helgaas
2014-10-21 20:03 ` Bjorn Helgaas
2014-10-15 17:06 ` [PATCH v1 04/10] MIPS: Remove "weak" from platform_maar_init() declaration Bjorn Helgaas
2014-10-15 23:27 ` Bjorn Helgaas
2014-10-21 20:04 ` Bjorn Helgaas
2014-10-15 17:06 ` [PATCH v1 05/10] MIPS: MT: Move "weak" from vpe_run() declaration to definition Bjorn Helgaas
2014-10-15 23:28 ` Bjorn Helgaas
2014-10-16 13:49 ` Bjorn Helgaas
2014-10-21 20:05 ` Bjorn Helgaas
2014-10-15 17:06 ` [PATCH v1 06/10] clocksource: Remove "weak" from clocksource_default_clock() declaration Bjorn Helgaas
2014-10-15 17:36 ` John Stultz
2014-10-15 23:30 ` Bjorn Helgaas
2014-10-16 7:22 ` Martin Schwidefsky
2014-10-16 13:40 ` Bjorn Helgaas
2014-10-16 13:45 ` Martin Schwidefsky
2014-10-16 5:10 ` Ingo Molnar
2014-10-15 17:06 ` [PATCH v1 07/10] vmcore: Remove "weak" from function declarations Bjorn Helgaas
2014-10-15 23:31 ` Bjorn Helgaas
2014-10-15 23:44 ` Bjorn Helgaas
2014-10-16 7:23 ` Martin Schwidefsky
2014-10-16 20:11 ` Vivek Goyal
2014-10-15 17:06 ` [PATCH v1 08/10] kgdb: Remove "weak" from kgdb_arch_pc() declaration Bjorn Helgaas
2014-10-15 23:35 ` Bjorn Helgaas
2014-10-16 13:38 ` Vineet Gupta
2014-10-17 7:59 ` Vineet Gupta
2014-10-20 16:20 ` Bjorn Helgaas [this message]
2014-10-16 0:07 ` Harvey Harrison
2014-10-15 17:06 ` [PATCH v1 09/10] memory-hotplug: Remove "weak" from memory_block_size_bytes() declaration Bjorn Helgaas
2014-10-15 23:38 ` Bjorn Helgaas
2014-10-16 7:23 ` Martin Schwidefsky
2014-10-15 17:06 ` [PATCH v1 10/10] uprobes: Remove "weak" from function declarations Bjorn Helgaas
2014-10-15 23:42 ` Bjorn Helgaas
2014-10-16 5:10 ` Ingo Molnar
2014-10-16 5:57 ` Srikar Dronamraju
2014-10-15 18:27 ` [PATCH v1 00/10] Remove weak " Andrew Morton
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