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From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v24 0/9] arm64: add kdump support
Date: Tue, 6 Sep 2016 17:42:00 +0100	[thread overview]
Message-ID: <57CEF1D8.3000904@arm.com> (raw)
In-Reply-To: <35f81eb9-8bd0-16ae-e04d-5ea4b30c0ad6@caviumnetworks.com>

On 06/09/16 17:15, Manish Jaggi wrote:
> 
>>> In my setup the GICD_CTRL[RWP] bit is not cleared in the
>>> crashkernels' distributor init function.
>>
>> Which instance is failing? The initial one (just after the initial
>> disable)? Or the one called from gic_dist_config()?
>>
> In crash kernel, when the GICD_CTRL is set to 0x0, RWP is not getting clear.
> And is never cleared for any subsequent writes.

That's weird. It means writes are still pending, and never drained. What
happens if you put a dsb(sy) in the wait_for_rwp() loop?

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...

      reply	other threads:[~2016-09-06 16:42 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-09  1:52 [PATCH v24 0/9] arm64: add kdump support AKASHI Takahiro
2016-08-09  1:52 ` [PATCH v24 1/9] arm64: kdump: reserve memory for crash dump kernel AKASHI Takahiro
2016-08-09  1:55   ` [PATCH v24 2/9] memblock: add memblock_cap_memory_range() AKASHI Takahiro
2016-08-10 16:26     ` James Morse
2016-08-09  1:56   ` [PATCH v24 3/9] arm64: limit memory regions based on DT property, usable-memory-range AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 4/9] arm64: kdump: implement machine_crash_shutdown() AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 5/9] arm64: kdump: add kdump support AKASHI Takahiro
2016-08-10 16:38       ` James Morse
2016-08-10 18:18         ` Pratyush Anand
2016-08-11 10:03           ` Pratyush Anand
2016-08-16 10:13             ` James Morse
2016-08-17 15:33               ` [PATCH] fixup! " James Morse
2016-08-18  7:32                 ` AKASHI Takahiro
2016-08-19  8:00                 ` Pratyush Anand
2016-08-19 13:34                   ` James Morse
2016-08-19 15:19                     ` Pratyush Anand
2016-08-18  7:15         ` [PATCH v24 5/9] " AKASHI Takahiro
2016-08-18  7:19           ` Dave Young
2016-08-19  1:26           ` AKASHI Takahiro
2016-08-19 11:22             ` Pratyush Anand
2016-08-22  1:29               ` AKASHI Takahiro
2016-08-22  7:07                 ` Pratyush Anand
2016-08-22 13:47                 ` James Morse
2016-08-23  0:38                   ` AKASHI Takahiro
2016-08-23 11:23                     ` Pratyush Anand
2016-08-24  8:04                       ` Dave Young
2016-08-24 10:25                         ` James Morse
2016-08-25  1:04                           ` Dave Young
2016-08-19 13:28             ` James Morse
2016-08-22  1:23               ` AKASHI Takahiro
2016-08-24 14:44       ` Ard Biesheuvel
2016-08-26  6:22         ` AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 6/9] arm64: kdump: add VMCOREINFO's for user-space coredump tools AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 7/9] arm64: kdump: enable kdump in the arm64 defconfig AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 8/9] arm64: kdump: update a kernel doc AKASHI Takahiro
2016-08-09  1:57   ` [PATCH v24 9/9] Documentation: dt: chosen properties for arm64 kdump AKASHI Takahiro
2016-08-19 13:26     ` Rob Herring
2016-08-22  4:28       ` AKASHI Takahiro
2016-08-30 16:34         ` Rob Herring
2016-08-30 23:45           ` AKASHI Takahiro
2016-08-31  5:02             ` AKASHI Takahiro
2016-09-02 10:11               ` AKASHI Takahiro
2016-09-27 23:39       ` Mark Rutland
2016-08-09  2:04 ` [PATCH v24 0/9] arm64: add kdump support AKASHI Takahiro
2016-08-31  3:41 ` Manish Jaggi
2016-08-31  5:31   ` AKASHI Takahiro
2016-09-02 12:53     ` Manish Jaggi
2016-09-05  8:15       ` AKASHI Takahiro
2016-09-05 12:42         ` Manish Jaggi
2016-09-06 15:33           ` Marc Zyngier
2016-09-06 16:15             ` Manish Jaggi
2016-09-06 16:42               ` Marc Zyngier [this message]

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