From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
"Jan Beulich" <JBeulich@suse.com>,
"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>
Subject: [PATCH 0/2] x86/spec-ctrl: Reduce HVM RAS overhead
Date: Thu, 11 Aug 2022 20:59:03 +0100 [thread overview]
Message-ID: <20220811195905.7780-1-andrew.cooper3@citrix.com> (raw)
This is a optimsiation discovered while working on Retbleed.
Andrew Cooper (2):
x86/svm: Remove regs param from asm-called functions
x86/svm: Keep the RAS balanced for guests
xen/arch/x86/hvm/svm/entry.S | 58 ++++++++++++++++++++++++++++++++++++----
xen/arch/x86/hvm/svm/nestedsvm.c | 3 ++-
xen/arch/x86/hvm/svm/svm.c | 6 +++--
3 files changed, 59 insertions(+), 8 deletions(-)
--
2.11.0
next reply other threads:[~2022-08-11 19:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-11 19:59 Andrew Cooper [this message]
2022-08-11 19:59 ` [PATCH 1/2] x86/svm: Remove regs param from asm-called functions Andrew Cooper
2022-08-12 7:06 ` Jan Beulich
2022-08-11 19:59 ` [PATCH 2/2] x86/svm: Keep the RAS balanced for guests Andrew Cooper
2022-08-12 7:29 ` Jan Beulich
2022-08-12 10:04 ` Andrew Cooper
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