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Date: Tue, 27 Oct 2020 14:53:24 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Finn Thain <fthain@...egraphics.com.au>, Stan Johnson <userm57@...oo.com>, Michael Ellerman <mpe@...erman.id.au>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.19 146/264] powerpc/tau: Remove duplicated set_thresholds() call From: Finn Thain <fthain@...egraphics.com.au> [ Upstream commit 420ab2bc7544d978a5d0762ee736412fe9c796ab ] The commentary at the call site seems to disagree with the code. The conditional prevents calling set_thresholds() via the exception handler, which appears to crash. Perhaps that's because it immediately triggers another TAU exception. Anyway, calling set_thresholds() from TAUupdate() is redundant because tau_timeout() does so. Fixes: 1da177e4c3f41 ("Linux-2.6.12-rc2") Signed-off-by: Finn Thain <fthain@...egraphics.com.au> Tested-by: Stan Johnson <userm57@...oo.com> Signed-off-by: Michael Ellerman <mpe@...erman.id.au> Link: https://lore.kernel.org/r/d7c7ee33232cf72a6a6bbb6ef05838b2e2b113c0.1599260540.git.fthain@telegraphics.com.au Signed-off-by: Sasha Levin <sashal@...nel.org> --- arch/powerpc/kernel/tau_6xx.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c index 268205cc347da..b8d7e7d498e0a 100644 --- a/arch/powerpc/kernel/tau_6xx.c +++ b/arch/powerpc/kernel/tau_6xx.c @@ -110,11 +110,6 @@ static void TAUupdate(int cpu) #ifdef DEBUG printk("grew = %d\n", tau[cpu].grew); #endif - -#ifndef CONFIG_TAU_INT /* tau_timeout will do this if not using interrupts */ - set_thresholds(cpu); -#endif - } #ifdef CONFIG_TAU_INT -- 2.25.1
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