[RFC PATCH 1/4] powerpc/64s: Don't init FSCR_DSCR in __init_FSCR()

Michael Ellerman patch-notifications at ellerman.id.au
Tue Jun 9 15:29:20 AEST 2020


On Thu, 28 May 2020 00:58:40 +1000, Michael Ellerman wrote:
> __init_FSCR() was added originally in commit 2468dcf641e4 ("powerpc:
> Add support for context switching the TAR register") (Feb 2013), and
> only set FSCR_TAR.
> 
> At that point FSCR (Facility Status and Control Register) was not
> context switched, so the setting was permanent after boot.
> 
> [...]

Applied to powerpc/next.

[1/4] powerpc/64s: Don't init FSCR_DSCR in __init_FSCR()
      https://git.kernel.org/powerpc/c/0828137e8f16721842468e33df0460044a0c588b
[2/4] powerpc/64s: Don't let DT CPU features set FSCR_DSCR
      https://git.kernel.org/powerpc/c/993e3d96fd08c3ebf7566e43be9b8cd622063e6d
[3/4] powerpc/64s: Save FSCR to init_task.thread.fscr after feature init
      https://git.kernel.org/powerpc/c/912c0a7f2b5daa3cbb2bc10f303981e493de73bd
[4/4] powerpc/64s: Don't set FSCR bits in INIT_THREAD
      https://git.kernel.org/powerpc/c/c887ef5707591e84f80271e95e99ff9fb38987b5

cheers


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