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From: Pratyush Yadav <pratyush@kernel.org>
To: Wandun Chen <chenwandun1@gmail.com>
Cc: chenhuacai@kernel.org,  kernel@xen0n.name,  pjw@kernel.org,
	palmer@dabbelt.com,  aou@eecs.berkeley.edu,  robh@kernel.org,
	saravanak@kernel.org,  bhe@redhat.com,  rppt@kernel.org,
	linux-arm-kernel@lists.infradead.org,
	 linux-kernel@vger.kernel.org, loongarch@lists.linux.dev,
	 linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	 kexec@lists.infradead.org, iommu@lists.linux.dev,
	 zhaomeijing@lixiang.com, catalin.marinas@arm.com,
	 will@kernel.org,  alex@ghiti.fr, akpm@linux-foundation.org,
	 pasha.tatashin@soleen.com, pratyush@kernel.org,
	 ruirui.yang@linux.dev,  m.szyprowski@samsung.com,
	robin.murphy@arm.com
Subject: Re: [PATCH v4 07/10] of: reserved_mem: add kdump helpers to exclude non-dumpable regions
Date: Tue, 30 Jun 2026 13:06:21 +0200	[thread overview]
Message-ID: <2vxzmrwci8ya.fsf@kernel.org> (raw)
In-Reply-To: <20260630074715.4126796-8-chenwandun1@gmail.com> (Wandun Chen's message of "Tue, 30 Jun 2026 15:47:11 +0800")

On Tue, Jun 30 2026, Wandun Chen wrote:

> From: Wandun Chen <chenwandun@lixiang.com>
>
> Add two helpers to exclude non-dumpable regions for arch-specific
> code.
>
>  - of_reserved_mem_kdump_nr_ranges() returns the count of regions
>    that are not dumpable. Each excluded region may split an existing
>    crash_mem range into two, so callers use this to calculate
>    crash_mem allocation size.
>
>  - of_reserved_mem_kdump_exclude() walks reserved_mem[] and calls
>    crash_exclude_mem_range() for every non-dumpable region.
>
> Signed-off-by: Wandun Chen <chenwandun@lixiang.com>
> Tested-by: Meijing Zhao <zhaomeijing@lixiang.com>

Acked-by: Pratyush Yadav <pratyush@kernel.org>

[...]

-- 
Regards,
Pratyush Yadav


WARNING: multiple messages have this Message-ID (diff)
From: Pratyush Yadav <pratyush@kernel.org>
To: Wandun Chen <chenwandun1@gmail.com>
Cc: chenhuacai@kernel.org,  kernel@xen0n.name,  pjw@kernel.org,
	palmer@dabbelt.com,  aou@eecs.berkeley.edu,  robh@kernel.org,
	saravanak@kernel.org,  bhe@redhat.com,  rppt@kernel.org,
	linux-arm-kernel@lists.infradead.org,
	 linux-kernel@vger.kernel.org, loongarch@lists.linux.dev,
	 linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	 kexec@lists.infradead.org, iommu@lists.linux.dev,
	 zhaomeijing@lixiang.com, catalin.marinas@arm.com,
	 will@kernel.org,  alex@ghiti.fr, akpm@linux-foundation.org,
	 pasha.tatashin@soleen.com, pratyush@kernel.org,
	 ruirui.yang@linux.dev,  m.szyprowski@samsung.com,
	robin.murphy@arm.com
Subject: Re: [PATCH v4 07/10] of: reserved_mem: add kdump helpers to exclude non-dumpable regions
Date: Tue, 30 Jun 2026 13:06:21 +0200	[thread overview]
Message-ID: <2vxzmrwci8ya.fsf@kernel.org> (raw)
In-Reply-To: <20260630074715.4126796-8-chenwandun1@gmail.com> (Wandun Chen's message of "Tue, 30 Jun 2026 15:47:11 +0800")

On Tue, Jun 30 2026, Wandun Chen wrote:

> From: Wandun Chen <chenwandun@lixiang.com>
>
> Add two helpers to exclude non-dumpable regions for arch-specific
> code.
>
>  - of_reserved_mem_kdump_nr_ranges() returns the count of regions
>    that are not dumpable. Each excluded region may split an existing
>    crash_mem range into two, so callers use this to calculate
>    crash_mem allocation size.
>
>  - of_reserved_mem_kdump_exclude() walks reserved_mem[] and calls
>    crash_exclude_mem_range() for every non-dumpable region.
>
> Signed-off-by: Wandun Chen <chenwandun@lixiang.com>
> Tested-by: Meijing Zhao <zhaomeijing@lixiang.com>

Acked-by: Pratyush Yadav <pratyush@kernel.org>

[...]

-- 
Regards,
Pratyush Yadav

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2026-06-30 11:06 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-30  7:47 [PATCH v4 00/10] kdump: reduce vmcore size and capture time Wandun Chen
2026-06-30  7:47 ` Wandun Chen
2026-06-30  7:47 ` [PATCH v4 01/10] kexec/crash: provide crash_exclude_mem_range() stub when CONFIG_CRASH_DUMP=n Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30 11:05   ` Pratyush Yadav
2026-06-30 11:05     ` Pratyush Yadav
2026-06-30  7:47 ` [PATCH v4 02/10] of: reserved_mem: dedup and relocate reserved-memory messages Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30  7:47 ` [PATCH v4 03/10] of: reserved_mem: skip late scan when no regions are reserved Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30  8:19   ` sashiko-bot
2026-06-30  7:47 ` [PATCH v4 04/10] of: reserved_mem: split alloc_reserved_mem_array() from fdt_scan_reserved_mem_late() Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30  7:47 ` [PATCH v4 05/10] of: reserved_mem: add dumpable flag to opt-in vmcore Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30  7:47 ` [PATCH v4 06/10] of: reserved_mem: save /memreserve/ entries into the reserved_mem array Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30  7:47 ` [PATCH v4 07/10] of: reserved_mem: add kdump helpers to exclude non-dumpable regions Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30 11:06   ` Pratyush Yadav [this message]
2026-06-30 11:06     ` Pratyush Yadav
2026-06-30  7:47 ` [PATCH v4 08/10] arm64: kdump: exclude non-dumpable reserved memory regions from vmcore Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30  9:04   ` sashiko-bot
2026-06-30 11:06   ` Pratyush Yadav
2026-06-30 11:06     ` Pratyush Yadav
2026-06-30  7:47 ` [PATCH v4 09/10] riscv: " Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30  9:22   ` sashiko-bot
2026-06-30 11:12   ` Pratyush Yadav
2026-06-30 11:12     ` Pratyush Yadav
2026-06-30 12:00     ` Wandun
2026-06-30 12:00       ` Wandun
2026-06-30  7:47 ` [PATCH v4 10/10] loongarch: " Wandun Chen
2026-06-30  7:47   ` Wandun Chen
2026-06-30  9:37   ` sashiko-bot
2026-06-30 11:13   ` Pratyush Yadav
2026-06-30 11:13     ` Pratyush Yadav

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