Displaying 5 results from an estimated 5 matches for "38b850a73034".
2020 Jul 02
3
[PATCH 5/8] powerpc/64s: implement queued spinlocks and rwlocks
...>
> > Why do you need the smp_mb() here?
>
> A long and sad tale that ends here 51d7d5205d338
>
> Should probably at least refer to that commit from here, since this one
> is not going to git blame back there. I'll add something.
Is this still an issue, though?
See 38b850a73034 (where we added a similar barrier on arm64) and then
c6f5d02b6a0f (where we removed it).
Will
2020 Jul 02
3
[PATCH 5/8] powerpc/64s: implement queued spinlocks and rwlocks
...>
> > Why do you need the smp_mb() here?
>
> A long and sad tale that ends here 51d7d5205d338
>
> Should probably at least refer to that commit from here, since this one
> is not going to git blame back there. I'll add something.
Is this still an issue, though?
See 38b850a73034 (where we added a similar barrier on arm64) and then
c6f5d02b6a0f (where we removed it).
Will
2020 Jul 02
0
[PATCH 5/8] powerpc/64s: implement queued spinlocks and rwlocks
...mb() here?
>>
>> A long and sad tale that ends here 51d7d5205d338
>>
>> Should probably at least refer to that commit from here, since this one
>> is not going to git blame back there. I'll add something.
>
> Is this still an issue, though?
>
> See 38b850a73034 (where we added a similar barrier on arm64) and then
> c6f5d02b6a0f (where we removed it).
>
Oh nice, I didn't know that went away. Thanks for the heads up.
I'm going to say I'm too scared to remove it while changing the
spinlock algorithm, but I'll open an issue and we sho...
2020 Jul 02
2
[PATCH 5/8] powerpc/64s: implement queued spinlocks and rwlocks
On Thu, Jul 02, 2020 at 05:48:36PM +1000, Nicholas Piggin wrote:
> diff --git a/arch/powerpc/include/asm/qspinlock.h b/arch/powerpc/include/asm/qspinlock.h
> new file mode 100644
> index 000000000000..f84da77b6bb7
> --- /dev/null
> +++ b/arch/powerpc/include/asm/qspinlock.h
> @@ -0,0 +1,20 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef _ASM_POWERPC_QSPINLOCK_H
>
2020 Jul 02
2
[PATCH 5/8] powerpc/64s: implement queued spinlocks and rwlocks
On Thu, Jul 02, 2020 at 05:48:36PM +1000, Nicholas Piggin wrote:
> diff --git a/arch/powerpc/include/asm/qspinlock.h b/arch/powerpc/include/asm/qspinlock.h
> new file mode 100644
> index 000000000000..f84da77b6bb7
> --- /dev/null
> +++ b/arch/powerpc/include/asm/qspinlock.h
> @@ -0,0 +1,20 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef _ASM_POWERPC_QSPINLOCK_H
>