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From: Pavan Kumar Paluri <papaluri@amd.com>
To: <kvm@vger.kernel.org>
Cc: <andrew.jones@linux.dev>, <thomas.lendacky@amd.com>,
	<michael.roth@amd.com>, Pavan Kumar Paluri <papaluri@amd.com>
Subject: [kvm-unit-tests PATCH v4 0/2] UEFI Improvements
Date: Fri, 29 Mar 2024 08:15:20 -0500	[thread overview]
Message-ID: <20240329131522.806983-1-papaluri@amd.com> (raw)

Patch-1: Introduces a fix for x86 arch which is ACPI-based to not get
	 into the path of fdt.

Patch-2: KUT UEFI-based guest may sometimes fail to exit boot services
	 due to a possible memory map update that might have taken place
	 between efi_get_memory_map() call and efi_exit_boot_services()
	call. As per UEFI specification (2.10), we need to try and keep
	updating the memory map as long as we get Invalid key failure.

=========
Changelog
=========
v3 -> v4:
    * Dropped patches 3 & 4 from the series as they are not relevant to 
      UEFI improvements introduced in this patchset. This would aid in 
      easier review and upstreaming.
    * Addressed feedback (Andrew)
    * Included R-b tag from Andrew Jones.

v2 -> v3:
    * Included R-b tag from Andrew for Patch-1.
    * Updated patch-2 to not leak memory map information during 
      re-trials to efi_get_memory_map().

v1 -> v2:
    * Incorporated feedback (Andrew, Mike, Tom)
    * Updated patch-2 to keep trying to update memory map and calls to 
      exit boot services as long as there is a failure.
    * Split Page allocation and GHCB page attributes patch into two 
      patches.
 
Pavan Kumar Paluri (2):
  x86 EFI: Bypass call to fdt_check_header()
  x86/efi: Retry call to efi exit boot services

 lib/efi.c | 39 +++++++++++++++++++++++++--------------
 1 file changed, 25 insertions(+), 14 deletions(-)

-- 
2.34.1


             reply	other threads:[~2024-03-29 13:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-29 13:15 Pavan Kumar Paluri [this message]
2024-03-29 13:15 ` [kvm-unit-tests PATCH v4 1/2] x86 EFI: Bypass call to fdt_check_header() Pavan Kumar Paluri
2024-03-29 13:15 ` [kvm-unit-tests PATCH v4 2/2] x86/efi: Retry call to efi exit boot services Pavan Kumar Paluri
2024-04-03 11:27 ` [kvm-unit-tests PATCH v4 0/2] UEFI Improvements Andrew Jones

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