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From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Nicholas Piggin <npiggin@gmail.com>, linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH 1/2] powerpc/64s: remplement power4_idle code in C
Date: Wed, 29 Jan 2020 16:17:20 +1100 (AEDT)	[thread overview]
Message-ID: <486sDc6PnCz9sRR@ozlabs.org> (raw)
In-Reply-To: <20190711022404.18132-1-npiggin@gmail.com>

On Thu, 2019-07-11 at 02:24:03 UTC, Nicholas Piggin wrote:
> This implements the tricky tracing and soft irq handling bits in C,
> leaving the low level bit to asm.
> 
> A functional difference is that this redirects the interrupt exit to
> a return stub to execute blr, rather than the lr address itself. This
> is probably barely measurable on real hardware, but it keeps the link
> stack balanced.
> 
> Tested with QEMU.
> 
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/ed0bc98f8cbe4f8254759d333a47aedc816ff8c5

cheers

  parent reply	other threads:[~2020-01-29  5:23 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-11  2:24 [PATCH 1/2] powerpc/64s: remplement power4_idle code in C Nicholas Piggin
2019-07-11  2:24 ` [PATCH 2/2] powerpc/64s: Remove idle workaround code from restore_cpu_cpufeatures Nicholas Piggin
2019-08-18  3:49 ` [PATCH 1/2] powerpc/64s: remplement power4_idle code in C Michael Ellerman
2019-08-19 13:07   ` Nicholas Piggin
2020-01-29  5:17 ` Michael Ellerman [this message]
2020-12-15 10:49 ` Michael Ellerman

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