[OpenBIOS] [PATCH 0/3] Limit upper virtual memory range to ofmem_arch_get_virt_top()

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Sun Oct 23 15:31:46 CEST 2016


On 16/10/16 18:26, Mark Cave-Ayland wrote:

> Some further work on trying to boot Solaris under qemu-system-sparc64 shows that
> allowing the full virtual memory range in the available property causes the memory
> list calculations to overflow.
> 
> The first couple of patches fix up SPARC32/SPARC64 to set the appropriate upper
> virtual memory limits (PPC is already correct), whilst the last patch enables the
> upper limit in the OFMEM virtual memory allocator.
> 
> With this patchset applied, 64-bit Solaris 9 gets beyond the "VAC too big!" panic upon
> boot and fails further down the line trying to setup the kernel memory regions.
> 
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk>
> 
> 
> Mark Cave-Ayland (3):
>   SPARC32: fixup available memory list and modify
>     ofmem_arch_get_virt_top()
>   SPARC64: set upper bound for virtual memory allocations
>   libopenbios: limit upper virtual memory range to
>     ofmem_arch_get_virt_top()
> 
>  arch/sparc32/boot.c                  |    2 +-
>  arch/sparc64/ofmem_sparc64.c         |    2 +-
>  include/arch/sparc32/ofmem_sparc32.h |    2 +-
>  include/arch/sparc64/ofmem_sparc64.h |    2 ++
>  libopenbios/ofmem_common.c           |    2 +-
>  5 files changed, 6 insertions(+), 4 deletions(-)

Applied to master.


ATB,

Mark.




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