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Re: linux-next: manual merge of the uuid tree with the arm64 tree

From Will Deacon <will.deacon@arm.com>
Newsgroups linux.kernel
Subject Re: linux-next: manual merge of the uuid tree with the arm64 tree
Date 2017-06-20 20:30 +0200
Message-ID <tUw4x-3Id-3@gated-at.bofh.it> (permalink)
References (4 earlier) <tU9Un-6lI-73@gated-at.bofh.it> <tUn1g-6h1-17@gated-at.bofh.it> <tUn1g-6h1-15@gated-at.bofh.it> <tUnaZ-6kQ-87@gated-at.bofh.it> <tUvUR-3DD-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, Jun 20, 2017 at 12:13:13PM -0600, Baicar, Tyler wrote:
> I have sent you the rebased patches. I took Christoph's uuid-types tree and
> added this patch onto it:
> 
> 7bf130e4a065 ("ACPI/APEI: Handle GSIV and GPIO notification types")
> 
> And then added my patches onto that. This will hopefully now avoid conflicts
> with any other patch.

No, patch 6 fails to apply:

On Tue, Jun 20, 2017 at 12:07:27PM -0600, Tyler Baicar wrote:
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index 7e3ddbe..81ebb9b 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -116,11 +116,7 @@ static inline bool is_hest_type_generic_v2(struct ghes *ghes)
>   * Two virtual pages are used, one for IRQ/PROCESS context, the other for
>   * NMI context (optionally).
>   */
> -#ifdef CONFIG_HAVE_ACPI_APEI_NMI
>  #define GHES_IOREMAP_PAGES           2
> -#else
> -#define GHES_IOREMAP_PAGES           1
> -#endif
>  #define GHES_IOREMAP_IRQ_PAGE(base)	(base)
>  #define GHES_IOREMAP_NMI_PAGE(base)	((base) + PAGE_SIZE)
>  
> @@ -159,10 +155,14 @@ static void ghes_ioremap_exit(void)
>  static void __iomem *ghes_ioremap_pfn_nmi(u64 pfn)
>  {
>  	unsigned long vaddr;
> +	phys_addr_t paddr;
> +	pgprot_t prot;
>  
>  	vaddr = (unsigned long)GHES_IOREMAP_NMI_PAGE(ghes_ioremap_area->addr);
> -	ioremap_page_range(vaddr, vaddr + PAGE_SIZE,
> -			   pfn << PAGE_SHIFT, PAGE_KERNEL);
> +
> +	paddr = pfn << PAGE_SHIFT;
> +	prot = arch_apei_get_mem_attribute(paddr);
> +	ioremap_page_range(vaddr, vaddr + PAGE_SIZE, paddr, prot);
>  
>  	return (void __iomem *)vaddr;
>  }
> @@ -774,6 +774,50 @@ static int ghes_notify_hed(struct notifier_block *this, unsigned long event,
>  	.notifier_call = ghes_notify_hed,

In Christoph's tree, this line is:

	.notifier_call = ghes_notify_sci,

http://git.infradead.org/users/hch/uuid.git/blob/refs/heads/uuid-types:/drivers/acpi/apei/ghes.c#l720

so something still isn't right. What did you actually base your patches
on?

Will

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Thread

Re: linux-next: manual merge of the uuid tree with the arm64 tree Christoph Hellwig <hch@lst.de> - 2017-06-20 10:50 +0200
  Re: linux-next: manual merge of the uuid tree with the arm64 tree Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-06-20 11:00 +0200
    Re: linux-next: manual merge of the uuid tree with the arm64 tree "Baicar, Tyler" <tbaicar@codeaurora.org> - 2017-06-20 20:20 +0200
      Re: linux-next: manual merge of the uuid tree with the arm64 tree Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-06-20 20:20 +0200
      Re: linux-next: manual merge of the uuid tree with the arm64 tree Will Deacon <will.deacon@arm.com> - 2017-06-20 20:30 +0200
        Re: linux-next: manual merge of the uuid tree with the arm64 tree "Baicar, Tyler" <tbaicar@codeaurora.org> - 2017-06-20 20:30 +0200
          Re: linux-next: manual merge of the uuid tree with the arm64 tree Will Deacon <will.deacon@arm.com> - 2017-06-21 11:30 +0200
            Re: linux-next: manual merge of the uuid tree with the arm64 tree "Baicar, Tyler" <tbaicar@codeaurora.org> - 2017-06-21 20:20 +0200

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