Re: [PATCH 3/3] x86/platform/UV: use efi_runtime_sem to serialise BIOS calls

On Wed, 9 Jan 2019 at 11:46, Hedi Berriche wrote: > > Calls into UV firmware must be protected against concurrency, use the > now visible efi_runtime_sem lock to serialise them. > > Signed-off-by: Hedi Berriche > Reviewed-by: Russ Anderson > Reviewed-by: Mike Travis > Reviewed-by: Dimitri Sivan

Re: [PATCH 3/3] x86/platform/UV: use efi_runtime_sem to serialise BIOS calls

On Thu, Jan 10, 2019 at 07:14 Bhupesh Sharma wrote: Hi Hedi, Hi Bhupesh, Thanks for the patchset. Thanks for looking at it. I will give this a go on my sgi-uv300 machine and come back with more detailed inputs, and for testing it. but I wanted to ask about the hang/panic you mentioned

Re: [PATCH 3/3] x86/platform/UV: use efi_runtime_sem to serialise BIOS calls

Hi Hedi, Thanks for the patchset. I will give this a go on my sgi-uv300 machine and come back with more detailed inputs, but I wanted to ask about the hang/panic you mentioned in the cover letter when efi_scratch gets clobbered. Can you describe the same (for e.g. how to reproduce this). Ni

[PATCH 3/3] x86/platform/UV: use efi_runtime_sem to serialise BIOS calls

Calls into UV firmware must be protected against concurrency, use the now visible efi_runtime_sem lock to serialise them. Signed-off-by: Hedi Berriche Reviewed-by: Russ Anderson Reviewed-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Steve Wahl --- arch/x86/include/asm/uv/bios.h