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Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI)

From Dave Hansen <dave.hansen@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI)
Date 2016-03-07 18:40 +0100
Message-ID <ra7iq-5Vi-23@gated-at.bofh.it> (permalink)
References <r8lIT-4R2-21@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 03/02/2016 12:39 PM, Khalid Aziz wrote:
> +long enable_sparc_adi(unsigned long addr, unsigned long len)
> +{
> +	unsigned long end, pagemask;
> +	int error;
> +	struct vm_area_struct *vma, *vma2;
> +	struct mm_struct *mm;
> +
> +	if (!ADI_CAPABLE())
> +		return -EINVAL;
...

This whole thing with the VMA splitting and so forth looks pretty darn
arch-independent.  Are you sure you need that much arch-specific code
for it, or can you share more of the generic VMA management code?

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Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Dave Hansen <dave.hansen@intel.com> - 2016-03-07 18:40 +0100
  Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 19:20 +0100
  Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 20:10 +0100

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