From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH 1/2] powerpc/64s: remplement power4_idle code in C
Date: Tue, 15 Dec 2020 21:49:04 +1100 (AEDT) [thread overview]
Message-ID: <160802921170.504444.1308264557037135946.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20190711022404.18132-1-npiggin@gmail.com>
On Thu, 11 Jul 2019 12:24:03 +1000, 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.
>
> [...]
Patch 2 applied to powerpc/next.
[2/2] powerpc/64s: Remove idle workaround code from restore_cpu_cpufeatures
https://git.kernel.org/powerpc/c/02b02ee1b05ef225525835b2d45faf31b3420bdd
cheers
prev parent reply other threads:[~2020-12-15 11:29 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
2020-12-15 10:49 ` Michael Ellerman [this message]
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