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Message-ID: <4feeae36-f6fe-1422-9f0f-081b9106e91c@arm.com>
Date: Mon, 27 Mar 2023 11:38:36 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: kernel test robot <lkp@...el.com>,
linux-arm-kernel@...ts.infradead.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Mark Brown <broonie@...nel.org>,
Marc Zyngier <maz@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: Disable EL2 traps for BRBE instructions executed
in EL1
On 3/25/23 06:07, kernel test robot wrote:
> All errors (new ones prefixed by >>):
>
>>> <instantiation>:36:14: error: expected compatible register or logical immediate
> orr x0, x0, #HFGITR_EL2_nBRBIALL
> ^
> <instantiation>:10:2: note: while in macro instantiation
> __init_el2_fgt
> ^
> arch/arm64/kernel/head.S:577:2: note: while in macro instantiation
> init_el2_state
> ^
> <instantiation>:37:14: error: expected compatible register or logical immediate
> orr x0, x0, #HFGITR_EL2_nBRBINJ
> ^
> <instantiation>:10:2: note: while in macro instantiation
> __init_el2_fgt
> ^
> arch/arm64/kernel/head.S:577:2: note: while in macro instantiation
> init_el2_state
> ^
I guess these build errors are caused by unavailability of the pre-requisite
patches from Mark Brown, in this test environment ?
https://lore.kernel.org/all/20230306-arm64-fgt-reg-gen-v3-0-decba93cbaab@kernel.org/
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