From: Baoquan He <bhe@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: tglx@linutronix.de, mingo@kernel.org, bp@alien8.de,
hpa@zytor.com, kirill.shutemov@linux.intel.com, x86@kernel.org,
dyoung@redhat.com, Baoquan He <bhe@redhat.com>
Subject: [PATCH v5 0/3] Add restrictions for kexec/kdump jumping between 5-level and 4-level kernel
Date: Fri, 24 May 2019 15:38:07 +0800 [thread overview]
Message-ID: <20190524073810.24298-1-bhe@redhat.com> (raw)
The v4 cover letter tells the background about this adding, paste the
link here for reference:
http://lkml.kernel.org/r/20190509013644.1246-1-bhe@redhat.com
Changelog:
v4->v5:
Tune code and log per Dave's comments, no functional change.
- In patch 2, change the printed erorr message;
- In patch 3, add macro SZ_64T and use it in code, and remove the
obsolete code comment.
v3->v4:
No functional change.
- Rewrite log of patch 1/3 tell who the newly added bits are gonna be
used.
- Rewrite log of patch 2/3 per tglx's words.
- Add Kirill's Acked-by.
v2->v3:
Change the constant to match the notation for the rest of defines as
Kirill suggested;
v1->v2:
Correct the subject of patch 1 according to tglx's comment;
Add more information to cover-letter to address reviewers' concerns;
Baoquan He (3):
x86/boot: Add xloadflags bits for 5-level kernel checking
x86/kexec/64: Error out if try to jump to old 4-level kernel from
5-level kernel
x86/kdump/64: Change the upper limit of crashkernel reservation
arch/x86/boot/header.S | 12 +++++++++++-
arch/x86/include/uapi/asm/bootparam.h | 2 ++
arch/x86/kernel/kexec-bzimage64.c | 5 +++++
arch/x86/kernel/setup.c | 15 ++++++++++++---
include/linux/sizes.h | 1 +
5 files changed, 31 insertions(+), 4 deletions(-)
--
2.17.2
next reply other threads:[~2019-05-24 7:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-24 7:38 Baoquan He [this message]
2019-05-24 7:38 ` [PATCH v5 1/3] x86/boot: Add xloadflags bits for 5-level kernel checking Baoquan He
2019-06-28 5:19 ` [tip:x86/boot] x86/boot: Add xloadflags bits to check for 5-level paging support tip-bot for Baoquan He
2019-05-24 7:38 ` [PATCH v5 2/3] x86/kexec/64: Error out if try to jump to old 4-level kernel from 5-level kernel Baoquan He
2019-06-28 5:19 ` [tip:x86/boot] x86/kexec/64: Prevent kexec from 5-level paging to a 4-level only kernel tip-bot for Baoquan He
2019-05-24 7:38 ` [PATCH v5 3/3] x86/kdump/64: Change the upper limit of crashkernel reservation Baoquan He
2019-06-28 5:20 ` [tip:x86/boot] x86/kdump/64: Restrict kdump kernel reservation to <64TB tip-bot for Baoquan He
2019-06-11 5:47 ` [PATCH v5 0/3] Add restrictions for kexec/kdump jumping between 5-level and 4-level kernel Baoquan He
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