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Date:      Thu, 29 May 2014 10:14:53 -0700
From:      Adrian Chadd <adrian@freebsd.org>
To:        Olivier Houchard <cognet@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: svn commit: r266850 - in head/sys/arm/xscale: i80321 i8134x ixp425 pxa
Message-ID:  <CAJ-Vmon2sup%2Bvd%2Bpi2fdjv5DaxS%2BxtG1FxmfSV%2B%2BrK1KydXRvw@mail.gmail.com>
In-Reply-To: <201405291656.s4TGudoD002868@svn.freebsd.org>
References:  <201405291656.s4TGudoD002868@svn.freebsd.org>

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Have you tested this on xscale hardware?


-a


On 29 May 2014 09:56, Olivier Houchard <cognet@freebsd.org> wrote:
> Author: cognet
> Date: Thu May 29 16:56:39 2014
> New Revision: 266850
> URL: http://svnweb.freebsd.org/changeset/base/266850
>
> Log:
>   Do not hand the VM the memory used for stacks/page tables/etc.
>
> Modified:
>   head/sys/arm/xscale/i80321/ep80219_machdep.c
>   head/sys/arm/xscale/i80321/iq31244_machdep.c
>   head/sys/arm/xscale/i8134x/crb_machdep.c
>   head/sys/arm/xscale/ixp425/avila_machdep.c
>   head/sys/arm/xscale/pxa/pxa_machdep.c
>
> Modified: head/sys/arm/xscale/i80321/ep80219_machdep.c
> ==============================================================================
> --- head/sys/arm/xscale/i80321/ep80219_machdep.c        Thu May 29 16:54:15 2014        (r266849)
> +++ head/sys/arm/xscale/i80321/ep80219_machdep.c        Thu May 29 16:56:39 2014        (r266850)
> @@ -341,6 +341,10 @@ initarm(struct arm_boot_params *abp)
>          * Prepare the list of physical memory available to the vm subsystem.
>          */
>         arm_physmem_hardware_region(IQ80321_SDRAM_START, memsize);
> +       arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
> +           freemem_pt, EXFLAG_NOALLOC);
> +       arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
> +           freemempos, EXFLAG_NOALLOC);
>         arm_physmem_exclude_region(abp->abp_physaddr,
>             virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
>         arm_physmem_init_kernel_globals();
>
> Modified: head/sys/arm/xscale/i80321/iq31244_machdep.c
> ==============================================================================
> --- head/sys/arm/xscale/i80321/iq31244_machdep.c        Thu May 29 16:54:15 2014        (r266849)
> +++ head/sys/arm/xscale/i80321/iq31244_machdep.c        Thu May 29 16:56:39 2014        (r266850)
> @@ -343,6 +343,10 @@ initarm(struct arm_boot_params *abp)
>          * Prepare the list of physical memory available to the vm subsystem.
>          */
>         arm_physmem_hardware_region(SDRAM_START, memsize);
> +       arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
> +           freemem_pt, EXFLAG_NOALLOC);
> +       arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
> +           freemempos, EXFLAG_NOALLOC);
>         arm_physmem_exclude_region(abp->abp_physaddr,
>             virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
>         arm_physmem_init_kernel_globals();
>
> Modified: head/sys/arm/xscale/i8134x/crb_machdep.c
> ==============================================================================
> --- head/sys/arm/xscale/i8134x/crb_machdep.c    Thu May 29 16:54:15 2014        (r266849)
> +++ head/sys/arm/xscale/i8134x/crb_machdep.c    Thu May 29 16:56:39 2014        (r266850)
> @@ -323,6 +323,10 @@ initarm(struct arm_boot_params *abp)
>          * Prepare the list of physical memory available to the vm subsystem.
>          */
>         arm_physmem_hardware_region(SDRAM_START, memsize);
> +       arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
> +           freemem_pt, EXFLAG_NOALLOC);
> +       arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
> +           freemempos, EXFLAG_NOALLOC);
>         arm_physmem_exclude_region(abp->abp_physaddr,
>             virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
>         arm_physmem_init_kernel_globals();
>
> Modified: head/sys/arm/xscale/ixp425/avila_machdep.c
> ==============================================================================
> --- head/sys/arm/xscale/ixp425/avila_machdep.c  Thu May 29 16:54:15 2014        (r266849)
> +++ head/sys/arm/xscale/ixp425/avila_machdep.c  Thu May 29 16:56:39 2014        (r266850)
> @@ -413,6 +413,10 @@ initarm(struct arm_boot_params *abp)
>          * Prepare the list of physical memory available to the vm subsystem.
>          */
>         arm_physmem_hardware_region(PHYSADDR, memsize);
> +       arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
> +           freemem_pt, EXFLAG_NOALLOC);
> +       arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
> +           freemempos, EXFLAG_NOALLOC);
>         arm_physmem_exclude_region(abp->abp_physaddr,
>             virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
>         arm_physmem_init_kernel_globals();
>
> Modified: head/sys/arm/xscale/pxa/pxa_machdep.c
> ==============================================================================
> --- head/sys/arm/xscale/pxa/pxa_machdep.c       Thu May 29 16:54:15 2014        (r266849)
> +++ head/sys/arm/xscale/pxa/pxa_machdep.c       Thu May 29 16:56:39 2014        (r266850)
> @@ -335,6 +335,10 @@ initarm(struct arm_boot_params *abp)
>                 if (memsize[j] > 0)
>                         arm_physmem_hardware_region(memstart[j], memsize[j]);
>         }
> +       arm_physmem_exclude_region(freemem_pt, KERNPHYSADDR -
> +           freemem_pt, EXFLAG_NOALLOC);
> +       arm_physmem_exclude_region(freemempos, KERNPHYSADDR - 0x100000 -
> +           freemempos, EXFLAG_NOALLOC);
>         arm_physmem_exclude_region(abp->abp_physaddr,
>             virtual_avail - KERNVIRTADDR, EXFLAG_NOALLOC);
>         arm_physmem_init_kernel_globals();
>



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