Re: [PATCH 13/18] arm64: preserve x18 when CPU is suspended

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Subject: Re: [PATCH 13/18] arm64: preserve x18 when CPU is suspended
From: Sami Tolvanen <samitolvanen@xxxxxxxxxx>
Date: Mon, 21 Oct 2019 15:43:14 -0700
Cc: Will Deacon <will@xxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>, Dave Martin <Dave.Martin@xxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Laura Abbott <labbott@xxxxxxxxxx>, Nick Desaulniers <ndesaulniers@xxxxxxxxxx>, clang-built-linux <clang-built-linux@xxxxxxxxxxxxxxxx>, Kernel Hardening <kernel-hardening@xxxxxxxxxxxxxxxxxx>, linux-arm-kernel <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>
Delivered-to: mailing list kernel-hardening@xxxxxxxxxxxxxxxxxx
In-reply-to: <20191021165649.GE56589@lakrids.cambridge.arm.com>
Mailing-list: contact kernel-hardening-help@xxxxxxxxxxxxxxxxxx; run by ezmlm

On Mon, Oct 21, 2019 at 9:56 AM Mark Rutland <mark.rutland@xxxxxxx> wrote:
> This should have a corresponding change to cpu_suspend_ctx in
> <asm/suspend.h>. Otherwise we're corrupting a portion of the stack.

Ugh, correct. I'll fix this in the next version. Thanks.

Sami

Follow-Ups:
- Re: [PATCH 13/18] arm64: preserve x18 when CPU is suspended
  - From: Mark Rutland

References:
- [PATCH 00/18] add support for Clang's Shadow Call Stack
  - From: Sami Tolvanen
- [PATCH 13/18] arm64: preserve x18 when CPU is suspended
  - From: Sami Tolvanen
- Re: [PATCH 13/18] arm64: preserve x18 when CPU is suspended
  - From: Mark Rutland

Prev by Date: Re: [PATCH 14/18] arm64: efi: restore x18 if it was corrupted
Next by Date: Re: [PATCH 14/18] arm64: efi: restore x18 if it was corrupted
Previous by thread: Re: [PATCH 13/18] arm64: preserve x18 when CPU is suspended
Next by thread: Re: [PATCH 13/18] arm64: preserve x18 when CPU is suspended
Index(es):
- Date
- Thread

[Index of Archives] [Linux Samsung SoC] [Linux Rockchip SoC] [Linux Actions SoC] [Linux for Synopsys ARC Processors] [Linux NFS] [Linux NILFS] [Linux USB Devel] [Video for Linux] [Linux Audio Users] [Yosemite News] [Linux Kernel] [Linux SCSI]