Re: [PATCH v4 07/13] riscv: Implement arch_cmpxchg128() using Zacas

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

 



On Wed, Jul 31, 2024 at 09:23:59AM GMT, Alexandre Ghiti wrote:
> Now that Zacas is supported in the kernel, let's use the double word
> atomic version of amocas to improve the SLUB allocator.
> 
> Note that we have to select fixed registers, otherwise gcc fails to pick
> even registers and then produces a reserved encoding which fails to
> assemble.
> 
> Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
> ---
>  arch/riscv/Kconfig               |  1 +
>  arch/riscv/include/asm/cmpxchg.h | 38 ++++++++++++++++++++++++++++++++
>  2 files changed, 39 insertions(+)
>

Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux