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Message-Id: <20200814151947.26229-1-joro@8bytes.org>
Date: Fri, 14 Aug 2020 17:19:45 +0200
From: Joerg Roedel <joro@...tes.org>
To: x86@...nel.org
Cc: Ingo Molnar <mingo@...nel.org>, Mike Rapoport <rppt@...ux.ibm.com>,
Dave Hansen <dave.hansen@...el.com>,
Andy Lutomirski <luto@...nel.org>,
Peter Zijlstra <peterz@...radead.org>, hpa@...or.com,
Linus Torvalds <torvalds@...ux-foundation.org>,
Jason@...c4.com, Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org, kirill.shutemov@...el.com,
Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 0/2] x86: Retry to remove vmalloc/ioremap synchronzation
From: Joerg Roedel <jroedel@...e.de>
Hi,
as discussed here are the updates to the recent patches and fixes to
pre-allocate the vmalloc/ioremap second-level page-table pages on
x86-64.
Patch one is a re-send of
commit 8bb9bf242d1f ("x86/mm/64: Do not sync vmalloc/ioremap mappings")
with more explanations about what broke, what fixed it and why its now
safe to apply it again.
Patch two updates the comment in preallocate_vmalloc_pages(), it is
mostly the wording from Dave Hansen, so he really deserved the
authorship of it. I just didn't want to commit/send it in his name.
Feel free to change authorship of this patch to him.
Regards,
Joerg
Joerg Roedel (2):
x86/mm/64: Do not sync vmalloc/ioremap mappings
x86/mm/64: Update comment in preallocate_vmalloc_pages()
arch/x86/include/asm/pgtable_64_types.h | 2 --
arch/x86/mm/init_64.c | 20 ++++++++++----------
2 files changed, 10 insertions(+), 12 deletions(-)
--
2.28.0
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