From: Cyril Bur <cyrilbur@gmail.com>
To: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 0/9] FP/VEC/VSX switching optimisations
Date: Tue, 1 Mar 2016 10:02:54 +1100 [thread overview]
Message-ID: <20160301100254.5cd7b558@camb691> (raw)
In-Reply-To: <1456728831-31862-1-git-send-email-cyrilbur@gmail.com>
On Mon, 29 Feb 2016 17:53:42 +1100
Cyril Bur <cyrilbur@gmail.com> wrote:
Apologies this should have had a Version 6 prefix!
> Cover-letter for V1 of the series is at
> https://lists.ozlabs.org/pipermail/linuxppc-dev/2015-November/136350.html
>
> Cover-letter for V2 of the series is at
> https://lists.ozlabs.org/pipermail/linuxppc-dev/2016-January/138054.html
>
> Changes in V3:
> Addressed review comments from Michael Neuling
> - Made commit message in 4/9 better reflect the patch
> - Removed overuse of #ifdef blocks and redundant condition in 5/9
> - Split 6/8 in two to better prepare for 7,8,9
> - Removed #ifdefs in 6/9
>
> Changes in V4:
> - Addressed non ABI compliant ASM macros in 1/9
> - Fixed build breakage due to changing #ifdefs in V3 (6/9)
> - Reordered some conditions in if statements
>
> Changes in V5:
> - Enhanced basic-asm.h to provide ABI independent macro as pointed out by
> Naveen Rao.
> - Tested for both BE and LE builds. Had to disable -flto from the
> selftests/powerpc Makefile as it didn't play well with the custom ASM.
> - Added some extra debugging output to the vmx_signal testcase
> - Fixed comments in testing code
> - Updated VSX test code to use GCC Altivec macros
>
> Changes in V6:
> - Removed recursive definition of CFLAGS in math/Makefile
> - Corrected the use of the word param in favour of doubleword
> - Reordered some code in basic-asm.h and neatened some comments
>
>
>
> Cyril Bur (9):
> selftests/powerpc: Test the preservation of FPU and VMX regs across
> syscall
> selftests/powerpc: Test preservation of FPU and VMX regs across
> preemption
> selftests/powerpc: Test FPU and VMX regs in signal ucontext
> powerpc: Explicitly disable math features when copying thread
> powerpc: Restore FPU/VEC/VSX if previously used
> powerpc: Prepare for splitting giveup_{fpu,altivec,vsx} in two
> powerpc: Add the ability to save FPU without giving it up
> powerpc: Add the ability to save Altivec without giving it up
> powerpc: Add the ability to save VSX without giving it up
>
> arch/powerpc/include/asm/processor.h | 2 +
> arch/powerpc/include/asm/reg.h | 8 +
> arch/powerpc/include/asm/switch_to.h | 13 +-
> arch/powerpc/kernel/asm-offsets.c | 2 +
> arch/powerpc/kernel/entry_64.S | 21 +-
> arch/powerpc/kernel/fpu.S | 25 +--
> arch/powerpc/kernel/ppc_ksyms.c | 4 -
> arch/powerpc/kernel/process.c | 168 +++++++++++++--
> arch/powerpc/kernel/vector.S | 45 +---
> tools/testing/selftests/powerpc/Makefile | 3 +-
> tools/testing/selftests/powerpc/basic_asm.h | 63 ++++++
> tools/testing/selftests/powerpc/math/.gitignore | 6 +
> tools/testing/selftests/powerpc/math/Makefile | 21 ++
> tools/testing/selftests/powerpc/math/fpu_asm.S | 197 +++++++++++++++++
> tools/testing/selftests/powerpc/math/fpu_preempt.c | 113 ++++++++++
> tools/testing/selftests/powerpc/math/fpu_signal.c | 135 ++++++++++++
> tools/testing/selftests/powerpc/math/fpu_syscall.c | 90 ++++++++
> tools/testing/selftests/powerpc/math/vmx_asm.S | 234 +++++++++++++++++++++
> tools/testing/selftests/powerpc/math/vmx_preempt.c | 112 ++++++++++
> tools/testing/selftests/powerpc/math/vmx_signal.c | 156 ++++++++++++++
> tools/testing/selftests/powerpc/math/vmx_syscall.c | 91 ++++++++
> 21 files changed, 1426 insertions(+), 83 deletions(-)
> create mode 100644 tools/testing/selftests/powerpc/basic_asm.h
> create mode 100644 tools/testing/selftests/powerpc/math/.gitignore
> create mode 100644 tools/testing/selftests/powerpc/math/Makefile
> create mode 100644 tools/testing/selftests/powerpc/math/fpu_asm.S
> create mode 100644 tools/testing/selftests/powerpc/math/fpu_preempt.c
> create mode 100644 tools/testing/selftests/powerpc/math/fpu_signal.c
> create mode 100644 tools/testing/selftests/powerpc/math/fpu_syscall.c
> create mode 100644 tools/testing/selftests/powerpc/math/vmx_asm.S
> create mode 100644 tools/testing/selftests/powerpc/math/vmx_preempt.c
> create mode 100644 tools/testing/selftests/powerpc/math/vmx_signal.c
> create mode 100644 tools/testing/selftests/powerpc/math/vmx_syscall.c
>
next prev parent reply other threads:[~2016-02-29 23:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-29 6:53 [PATCH 0/9] FP/VEC/VSX switching optimisations Cyril Bur
2016-02-29 6:53 ` [PATCH 1/9] selftests/powerpc: Test the preservation of FPU and VMX regs across syscall Cyril Bur
2016-03-03 10:58 ` [1/9] " Michael Ellerman
2016-02-29 6:53 ` [PATCH 2/9] selftests/powerpc: Test preservation of FPU and VMX regs across preemption Cyril Bur
2016-02-29 6:53 ` [PATCH 3/9] selftests/powerpc: Test FPU and VMX regs in signal ucontext Cyril Bur
2016-02-29 6:53 ` [PATCH 4/9] powerpc: Explicitly disable math features when copying thread Cyril Bur
2016-02-29 6:53 ` [PATCH 5/9] powerpc: Restore FPU/VEC/VSX if previously used Cyril Bur
2016-02-29 6:53 ` [PATCH 6/9] powerpc: Prepare for splitting giveup_{fpu, altivec, vsx} in two Cyril Bur
2016-02-29 6:53 ` [PATCH 7/9] powerpc: Add the ability to save FPU without giving it up Cyril Bur
2016-02-29 6:53 ` [PATCH 8/9] powerpc: Add the ability to save Altivec " Cyril Bur
2016-02-29 6:53 ` [PATCH 9/9] powerpc: Add the ability to save VSX " Cyril Bur
2016-02-29 23:02 ` Cyril Bur [this message]
2016-05-05 12:02 ` [PATCH 0/9] FP/VEC/VSX switching optimisations Naveen N. Rao
2016-05-06 10:48 ` Naveen N. Rao
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