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To: Jeremy Kerr <jk@ozlabs.org>, linuxppc-dev@lists.ozlabs.org
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Cc: Meng YK Li <shlimeng@cn.ibm.com>, Jeremy Kerr <jk@ozlabs.org>,
 Nicholas Piggin <npiggin@gmail.com>
Subject: Re: powerpc: Fix action argument for cpufeatures-based TLB flush
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Date: Thu,  5 Oct 2017 15:22:20 +1100 (AEDT)
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On Wed, 2017-09-27 at 04:55:51 UTC, Jeremy Kerr wrote:
> Commit 41d0c2ecde introduced calls to __flush_tlb_power[89] from the
> cpufeatures code, specifying the number of sets to flush.
> 
> However, these functions take an action argument, not a number of sets.
> This means we hit the BUG() in __flush_tlb_{206,300} when using
> cpufeatures-style configuration.
> 
> This change passes TLB_INVAL_SCOPE_GLOBAL instead.
> 
> Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
> CC: Nicholas Piggin <npiggin@gmail.com>
> Reviewed-by: Nicholas Piggin <npiggin@gmail.com>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/3b7af5c0fd9631762d1c4d7b4cee76

cheers