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Re: [Xen-devel] [PATCH v4 6/6] tools: add userspace linker table sandbox
- To: "Luis R. Rodriguez" <mcgrof@xxxxxxxxxx>
- From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
- Date: Thu, 19 Jan 2017 12:07:42 +0100
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- Delivery-date: Thu, 19 Jan 2017 11:07:39 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Sun, Jan 15, 2017 at 01:12:15PM -0800, Luis R. Rodriguez wrote:
> Add a userspace sandbox to allow easy experimentation and
> test extensions with linker tables, section ranges and the
> new section core definitions.
>
> The userspace sandbox tries to mimic the Linux kernel development
> flow as much as possible, it however relies on and uses libc. Support
> is currently only provided to x86_64.
Why is x86_64 a requirement?
>
> Demo run:
>
> cd tools/linker-tables
> make clean; make;
> ./demo
> Initializing x86 bare metal world
> x86-init: Number of init entries: 8
> Initializing memory ...
> Completed initializing memory !
> Initializing pci ...
> PCI fixup size: 1
> Demo: Using LINKTABLE_FOR_EACH
> foo_fixup
> Demo: Using LINKTABLE_RUN_ALL
> foo_fixup
> Completed initializing pci !
> Number of init entries: 1
> Initializing kprobes ...
> == OK: test_kprobe_0001 within range!
> == OK: test_kprobe_0002 not in range as expected!
> Completed initializing kprobes !
> Initializing kasan ...
> Early init for Kasan...
> Completed initializing kasan !
> Initializing beta ...
> Completed initializing beta !
> Initializing alpha ...
> Completed initializing alpha !
> Booting bare metal
> Calling start_kernel()...
> ACME: Initializing ...
> ACME: Finished init ... !
> Synthetics: synth_init_or(2) returns: 0xDEADBEEF
> Synthetics: ps_shr(0xDEADBEEF, get_demo_shr) returns: 0x0000DEAD
Why isn't this tied into the kernel testing framework?
thanks,
greg k-h
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