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Marc Zyngier 6167ec5c91 arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support 
A new feature of SMCCC 1.1 is that it offers firmware-based CPU
workarounds. In particular, SMCCC_ARCH_WORKAROUND_1 provides
BP hardening for CVE-2017-5715.

If the host has some mitigation for this issue, report that
we deal with it using SMCCC_ARCH_WORKAROUND_1, as we apply the
host workaround on every guest exit.

Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
 		2018-02-06 22:54:05 +00:00
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boot Amlogic fixes for v4.15-rc 2017-12-09 20:23:29 -08:00
common Merge branch 'pm-sleep' 2017-11-13 01:41:20 +01:00
configs ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
crypto License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
firmware
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include arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support 2018-02-06 22:54:05 +00:00
kernel Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm 2017-12-03 10:51:08 -05:00
kvm arm/arm64: KVM: Advertise SMCCC v1.1 2018-02-06 22:54:01 +00:00
lib License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-actions ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-alpine License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-artpec
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mach-asm9260
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mach-aspeed
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mach-at91 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-axxia License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-bcm ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-berlin
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mach-clps711x License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-cns3xxx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-davinci ARM: Device-tree updates for 4.15 2017-11-16 15:48:26 -08:00
mach-digicolor License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-dove License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ebsa110 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-efm32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ep93xx ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-exynos ARM: EXYNOS: Remove Exynos4212 related dead code 2017-10-08 13:52:09 +02:00
mach-footbridge Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-13 17:56:58 -08:00
mach-gemini License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-highbank License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-hisi License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-imx ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-integrator ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-iop13xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-iop32x treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
mach-iop33x License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ixp4xx treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
mach-keystone License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ks8695 Merge branch 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2017-11-14 17:52:21 -08:00
mach-lpc18xx
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mach-lpc32xx
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mach-mediatek ARM: mediatek: Cocci spatch "of_table" 2017-10-13 16:56:55 +02:00
mach-meson ARM: meson: fix spelling mistake: "Couln't" -> "Couldn't" 2017-11-30 15:29:43 -08:00
mach-mmp License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-moxart
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mach-mv78xx0 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-mvebu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-mxs
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mach-netx
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mach-nomadik
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mach-nspire
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mach-omap1 ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-omap2 ARM: omap2: hide omap3_save_secure_ram on non-OMAP3 builds 2017-12-07 15:52:21 +01:00
mach-orion5x treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
mach-oxnas
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mach-picoxcell
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mach-prima2 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-pxa This pull request contains the following core changes: 2017-11-22 20:46:06 -10:00
mach-qcom
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mach-realview
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mach-rockchip
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mach-rpc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-s3c24xx ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-s3c64xx ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-s5pv210
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mach-sa1100 Merge branch 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2017-11-14 17:52:21 -08:00
mach-shmobile ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-socfpga License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-spear License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-sti
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mach-stm32
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mach-sunxi
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mach-tango License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-tegra Merge branch 'linus' into locking/core, to resolve conflicts 2017-11-07 10:32:44 +01:00
mach-u300 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-uniphier kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
mach-ux500 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-versatile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-vexpress ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-vt8500 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-w90x900 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-zx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-zynq License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm 2017-11-26 15:03:49 -08:00
net
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nwfpe License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
oprofile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
plat-iop License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
plat-omap ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
plat-orion
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plat-pxa
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plat-samsung ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
plat-versatile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
probes arm/kprobes: Remove jprobe test case 2017-11-07 11:25:14 +01:00
tools License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vdso Merge branch 'linus' into locking/core, to resolve conflicts 2017-11-07 10:32:44 +01:00
vfp
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xen xen: re-introduce support for grant v2 interface 2017-11-06 15:50:17 -05:00
Kconfig ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
Kconfig-nommu Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 2017-11-16 12:50:35 -08:00
Kconfig.debug Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm 2017-11-26 15:03:49 -08:00
Makefile Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00