From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
"Wei Liu" <wl@xen.org>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Julien Grall" <julien.grall@arm.com>,
"Jan Beulich" <JBeulich@suse.com>,
"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: [Xen-devel] [PATCH v2 0/2] x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown
Date: Fri, 26 Jul 2019 21:32:20 +0100 [thread overview]
Message-ID: <20190726203222.4833-1-andrew.cooper3@citrix.com> (raw)
Reworked to allow DEFINE_PER_CPU_PAGE_ALIGNED() to specify the
__aligned(PAGE_SIZE) itself.
Andrew Cooper (2):
xen/link: Introduce .bss.percpu.page_aligned
x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown
xen/arch/arm/xen.lds.S | 5 +++--
xen/arch/x86/setup.c | 3 ---
xen/arch/x86/traps.c | 6 ++++++
xen/arch/x86/xen.lds.S | 7 +++++--
xen/include/asm-arm/percpu.h | 6 ++----
xen/include/asm-x86/percpu.h | 6 ++----
xen/include/asm-x86/processor.h | 4 ++--
xen/include/xen/percpu.h | 10 ++++++++--
8 files changed, 28 insertions(+), 19 deletions(-)
--
2.11.0
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next reply other threads:[~2019-07-26 20:32 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-26 20:32 Andrew Cooper [this message]
2019-07-26 20:32 ` [Xen-devel] [PATCH v2 1/2] xen/link: Introduce .bss.percpu.page_aligned Andrew Cooper
2019-07-26 21:39 ` Julien Grall
2019-07-29 8:52 ` Roger Pau Monné
2019-07-29 9:01 ` Andrew Cooper
2019-07-29 13:17 ` Jan Beulich
2019-07-29 15:01 ` Andrew Cooper
2019-07-26 20:32 ` [Xen-devel] [PATCH v2 2/2] x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown Andrew Cooper
2019-07-29 8:53 ` Roger Pau Monné
2019-07-29 13:51 ` Jan Beulich
2019-07-29 15:55 ` Andrew Cooper
2019-07-29 16:02 ` Andrew Cooper
2019-07-29 16:07 ` Jan Beulich
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