linux-kernel - [PATCH 0/2] Move RSDP address out of setup

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Date:   Tue, 20 Nov 2018 08:22:43 +0100
From:   Juergen Gross <jgross@...e.com>
To:     linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
        x86@...nel.org
Cc:     boris.ostrovsky@...cle.com, sstabellini@...nel.org, hpa@...or.com,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dkiper@...cle.com, Juergen Gross <jgross@...e.com>
Subject: [PATCH 0/2] Move RSDP address out of setup_header

Instead of passing the RSDP address for Xen PVH guests from grub2 to
the kernel in setup_header move it into the non-legacy part of the
boot_params structure.

This patch series should be applied rather sooner than later in order
to avoid shipping linux 4.20 with a corky boot protocol.

Juergen Gross (2):
  x86/boot: revert commit ae7e1238e68f2a (Add ACPI RSDP address to
    setup_header)
  x86/acpi, x86/boot: Take RSDP address from boot params if available

 Documentation/x86/boot.txt            | 32 +-------------------------------
 arch/x86/boot/header.S                |  6 +-----
 arch/x86/include/asm/x86_init.h       |  2 --
 arch/x86/include/uapi/asm/bootparam.h |  7 ++-----
 arch/x86/kernel/acpi/boot.c           |  2 +-
 arch/x86/kernel/head32.c              |  1 -
 arch/x86/kernel/head64.c              |  2 --
 arch/x86/kernel/setup.c               | 17 -----------------
 8 files changed, 5 insertions(+), 64 deletions(-)

-- 
2.16.4