From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4.1] arm64: hw_breakpoint: Allow EL2 breakpoints if running in HYP
Date: Fri, 19 Feb 2016 14:30:45 +0000 [thread overview]
Message-ID: <20160219143045.GJ27062@arm.com> (raw)
In-Reply-To: <1455731923-26768-1-git-send-email-marc.zyngier@arm.com>
On Wed, Feb 17, 2016 at 05:58:43PM +0000, Marc Zyngier wrote:
> With VHE, we place kernel {watch,break}-points at EL2 to get things
> like kgdb and "perf -e mem:..." working.
>
> This requires a bit of repainting in the low-level encore/decode,
> but is otherwise pretty simple.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
> arch/arm64/include/asm/hw_breakpoint.h | 18 +++++++++++++-----
> 1 file changed, 13 insertions(+), 5 deletions(-)
Acked-by: Will Deacon <will.deacon@arm.com>
Will
next prev parent reply other threads:[~2016-02-19 14:30 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-11 18:39 [PATCH v4 00/23] arm64: Virtualization Host Extension support Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 01/23] arm/arm64: KVM: Add hook for C-based stage2 init Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 02/23] arm64: KVM: Switch to " Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 03/23] arm/arm64: Add new is_kernel_in_hyp_mode predicate Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 04/23] arm64: Allow the arch timer to use the HYP timer Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 05/23] arm64: Add ARM64_HAS_VIRT_HOST_EXTN feature Marc Zyngier
2016-02-15 16:10 ` Will Deacon
2016-02-11 18:39 ` [PATCH v4 06/23] arm64: KVM: Skip HYP setup when already running in HYP Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 07/23] arm64: KVM: VHE: Patch out use of HVC Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 08/23] arm64: KVM: VHE: Patch out kern_hyp_va Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 09/23] arm64: KVM: VHE: Introduce unified system register accessors Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 10/23] arm64: KVM: VHE: Differenciate host/guest sysreg save/restore Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 11/23] arm64: KVM: VHE: Split save/restore of registers shared between guest and host Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 12/23] arm64: KVM: VHE: Use unified system register accessors Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 13/23] arm64: KVM: VHE: Enable minimal sysreg save/restore Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 14/23] arm64: KVM: VHE: Make __fpsimd_enabled VHE aware Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 15/23] arm64: KVM: VHE: Implement VHE activate/deactivate_traps Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 16/23] arm64: KVM: VHE: Use unified sysreg accessors for timer Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 17/23] arm64: KVM: VHE: Add fpsimd enabling on guest access Marc Zyngier
2016-02-11 18:39 ` [PATCH v4 18/23] arm64: KVM: VHE: Add alternative panic handling Marc Zyngier
2016-02-11 18:40 ` [PATCH v4 19/23] arm64: KVM: Move most of the fault decoding to C Marc Zyngier
2016-02-11 18:40 ` [PATCH v4 20/23] arm64: perf: Count EL2 events if the kernel is running in HYP Marc Zyngier
2016-02-15 17:22 ` Will Deacon
2016-02-15 18:23 ` Marc Zyngier
2016-02-15 18:27 ` Will Deacon
2016-02-11 18:40 ` [PATCH v4 21/23] arm64: hw_breakpoint: Allow EL2 breakpoints if " Marc Zyngier
2016-02-15 10:22 ` Catalin Marinas
2016-02-15 17:46 ` Will Deacon
2016-02-15 19:07 ` Will Deacon
2016-02-16 9:55 ` Marc Zyngier
2016-02-17 17:57 ` [PATCH v4.1] arm64: perf: Count EL2 events if the kernel is " Marc Zyngier
2016-02-19 14:30 ` Will Deacon
2016-02-11 18:40 ` [PATCH v4 22/23] arm64: VHE: Add support for running Linux in EL2 mode Marc Zyngier
2016-02-17 17:58 ` [PATCH v4.1] arm64: hw_breakpoint: Allow EL2 breakpoints if running in HYP Marc Zyngier
2016-02-19 14:30 ` Will Deacon [this message]
2016-02-11 18:40 ` [PATCH v4 23/23] arm64: Panic when VHE and non VHE CPUs coexist Marc Zyngier
2016-02-15 17:26 ` Will Deacon
2016-02-15 18:14 ` Marc Zyngier
2016-02-11 19:07 ` [PATCH v4 00/23] arm64: Virtualization Host Extension support Christoffer Dall
2016-02-11 19:10 ` Marc Zyngier
2016-02-15 10:23 ` Catalin Marinas
2016-02-15 10:34 ` Marc Zyngier
2016-02-29 17:43 ` Alex Bennée
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