linux-kernel - [PATCH v5 0/6] arm64: vdso32: Address various issues

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Date:   Thu,  3 Oct 2019 18:48:32 +0100
From:   Vincenzo Frascino <vincenzo.frascino@....com>
To:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     vincenzo.frascino@....com, ard.biesheuvel@...aro.org,
        ndesaulniers@...gle.com, catalin.marinas@....com, will@...nel.org,
        tglx@...utronix.de, luto@...nel.org
Subject: [PATCH v5 0/6] arm64: vdso32: Address various issues

This patch series is meant to address the various compilation issues
reported recently for arm64 vdso32 [1].

>From v4, the series contains a cleanup of lib/vdso Kconfig as well since
CROSS_COMPILE_COMPAT_VDSO is not required anymore by any architecture.

Cc: Will Deacon <will@...nel.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Andy Lutomirski <luto@...nel.org>
Reported-by: Will Deacon <will@...nel.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>

[1] https://www.spinics.net/lists/kernel/msg3260702.html

---

v5:
  - Add a check on empty CROSS_COMPILE_COMPAT

v4:
  - Drop __arm64__ workaround
  - Remove COMPAT_CC_IS_GCC check
  - Remove unused configuration parameter from lib/vdso
  - Address Review Comments

v3:
  - Exposed COMPATCC
  - Addressed Review Comments
 
v2:
  - Fixed binutils detection
  - Addressed review comments

Vincenzo Frascino (6):
  arm64: vdso32: Fix syncconfig errors.
  arm64: vdso32: Detect binutils support for dmb ishld
  arm64: Remove gettimeofday.S
  arm64: vdso32: Remove jump label config option in Makefile
  arm64: Remove vdso_datapage.h
  lib: vdso: Remove CROSS_COMPILE_COMPAT_VDSO

 arch/arm64/Kconfig                           |  5 ++-
 arch/arm64/Makefile                          | 18 +++--------
 arch/arm64/include/asm/vdso/compat_barrier.h |  2 +-
 arch/arm64/include/asm/vdso_datapage.h       | 33 --------------------
 arch/arm64/kernel/vdso/gettimeofday.S        |  0
 arch/arm64/kernel/vdso32/Makefile            | 14 ++++++---
 lib/vdso/Kconfig                             |  9 ------
 7 files changed, 19 insertions(+), 62 deletions(-)
 delete mode 100644 arch/arm64/include/asm/vdso_datapage.h
 delete mode 100644 arch/arm64/kernel/vdso/gettimeofday.S

-- 
2.23.0