s have the same problem)?
Huacai
-- Original --
From: "James Smart";
Date: Mon, Mar 5, 2018 11:37 PM
To: "陈华才"; "Dick Kennedy";
Cc: "James E . J . Bottomley"; "Martin K .
Petersen"; "Fuxin Zhang";
&qu
Hi, James,
At least on MIPS (Loongson-3), we found that this patch is necessary.
Huacai
-- Original --
From: "James Smart";
Date: Mon, Mar 5, 2018 11:37 PM
To: "陈华才"; "Dick Kennedy";
Cc: "James E . J . Bottomley&quo
No one has the same problem? Or this patch need improve?
Huacai
-- Original --
From: "陈华才";
Date: Thu, Mar 1, 2018 01:59 PM
To: "James Smart"; "Dick
Kennedy";
Cc: "James E . J . Bottomley"; "Martin K .
Pet
Ping?
-- Original --
From: "Huacai Chen";
Date: Fri, Jan 26, 2018 08:53 PM
To: "James Smart"; "Dick
Kennedy";
Cc: "James E . J . Bottomley"; "Martin K .
Petersen"; "Fuxin Zhang";
"linux-scsi"; "Huacai Chen";
"stable";
Subject: [PATCH] scsi: lpfc: Switch me
But in b44_init(), there is no device instances.
-- Original --
From: "Christoph Hellwig";
Date: Fri, Nov 10, 2017 08:30 PM
To: "Huacai Chen";
Cc: "Christoph Hellwig"; "Marek
Szyprowski"; "Robin Murphy";
"Andrew Morton"; "Fuxin Zhang";
"linux-kernel"; "
Only patch 4 can be merged to stable, please ignore cc-stable in the rest.
-- Original --
From: "Christoph Hellwig";
Date: Fri, Nov 3, 2017 01:14 PM
To: "陈华才";
Cc: "Marek Szyprowski"; "Christoph
Hellwig"; "
Why this is still un-merged? Should I remove the cc-stable and resend this
series?
Huacai
-- Original --
From: "陈华才";
Date: Thu, Oct 26, 2017 02:33 PM
To: "Marek Szyprowski"; "Christoph
Hellwig";
Cc: "Robin Murp
Maybe my first version is suitable for stable.
Huacai
-- Original --
From: "Marek Szyprowski";
Date: Wed, Oct 25, 2017 03:21 PM
To: "陈华才"; "Christoph Hellwig";
Cc: "Robin Murphy"; "Andrew
Morton&quo
Hi, Marek
Patch3 is needed for stable, but Patch3 depend on Patch1 and Patch2.
Huacai
-- Original --
From: "Marek Szyprowski";
Date: Tue, Oct 24, 2017 09:30 PM
To: "Huacai Chen"; "Christoph Hellwig";
Cc: "Robin Murphy"; "Andrew
Morton"; "Fuxin Zhang";
"l
Hi, Matt,
I found that 4ee34ea3a12396f35b26d90a094c75db ("libata: Align ata_device's id
on a cacheline") can resolve everything. Because the size of id[ATA_ID_WORDS]
is already aligned and devslp_timing needn't to be aligned. So, In V9 of this
series I will drop this patch. Why I had problems b
Hi, Marek,
Yes, I know in include/linux/slab.h, there is
#define KMALLOC_MIN_SIZE ARCH_DMA_MINALIGN
But I observed that the req/resp isn't aligned to ARCH_DMA_MINALIGN and I don't
know why.
Problems I experienced is: In non-coherent mode, mvsas with an expander cannot
detect any disks.
Huacai
Hi, Sergei,
Without this patch, in non-coherent mode, ata_do_set_mode() return with "no PIO
support", and disk detection fails.
Huacai
-- Original --
From: "Sergei Shtylyov";
Date: Tue, Oct 17, 2017 05:43 PM
To: "Huacai Chen"; "Christoph Hellwig";
Cc: "Ma
Hi, Christoph,
Can I put the declaration in asm/dma-coherence.h?
And, last time you said it is OK to pass a NULL to dma_get_cache_alignment()
and cc all driver maintainers. I have do so.
Huacai
-- Original --
From: "Christoph Hellwig";
Date: Mon, Sep 25, 2017
Hi, Robin,
Can ARM/ARM64 use the same implementation as MIPS? Or I just do MIPS things is
OK?
Huacai
-- Original --
From: "Robin Murphy";
Date: Mon, Sep 25, 2017 08:57 PM
To: "Huacai Chen"; "Christoph Hellwig";
Cc: "Marek Szyprowski"; "Andrew
Morton"; "Fu
Hi, Robin,
Before 2.6.36 dma_get_cache_alignment is arch-dependent, and it is unified in
commit 4565f0170dfc849b3629c27d7 ("dma-mapping: unify dma_get_cache_alignment
implementations"). Should we revert to the old implementation?
Huacai
-- Original --
From: "
Hi, Christoph,
I have changed dma_get_cache_alignment's return value, and I don't know whether
those drivers want to return ARCH_DMA_MINALIGN unconditionally. So I pass a
NULL for those drivers, in order to keep their old behavior.
Huacai
-- Original --
From:
Hi, Christoph,
I don't think dma_get_cache_alignment is the "absolute minimum alignment" in
all cases. At least on MIPS/Loongson, if we use I/O coherent mode (Cached DMA
mode), align block queue to 4Bytes is enough. If we align block queue to
dma_get_cache_alignment in I/O coherent mode, there
Hi, Christoph
I think we cannot modify dma_get_cache_alignment(), because existing callers
may want to unconditionally return ARCH_DMA_MINALIGN.
Huacai
-- Original --
From: "Christoph Hellwig";
Date: Mon, Sep 11, 2017 03:39 PM
To: "Huacai Chen";
Cc: "Jame
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