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[34.77.222.49]) by smtp.gmail.com with ESMTPSA id o9sm21315846wrw.58.2020.09.14.10.28.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 14 Sep 2020 10:28:04 -0700 (PDT) From: George-Aurelian Popescu To: maz@kernel.org, catalin.marinas@arm.com, will@kernel.org, masahiroy@kernel.org, michal.lkml@markovi.net Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, clang-built-linux@googlegroups.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, natechancellor@gmail.com, ndesaulniers@google.com, dbrazdil@google.com, broonie@kernel.org, maskray@google.com, ascull@google.com, keescook@chromium.org, akpm@linux-foundation.org, dvyukov@google.com, elver@google.com, tglx@linutronix.de, arnd@arndb.de, George Popescu Subject: [PATCH 02/14] KVM: arm64: Define a macro for storing a value inside a per_cpu variable Date: Mon, 14 Sep 2020 17:27:38 +0000 Message-Id: <20200914172750.852684-3-georgepope@google.com> X-Mailer: git-send-email 2.28.0.618.gf4bc123cb7-goog In-Reply-To: <20200914172750.852684-1-georgepope@google.com> References: <20200914172750.852684-1-georgepope@google.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org From: George Popescu Use the hyp_str_this_cpu assembly macro to store a value in a per_cpu variable. This macro is designed to be used inside of the hyp code. Signed-off-by: George Popescu --- arch/arm64/include/asm/kvm_asm.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 6f98fbd0ac81..200bb8d0a720 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -211,6 +211,11 @@ extern char __smccc_workaround_1_smc[__SMCCC_WORKAROUND_1_SMC_SZ]; ldr \reg, [\reg, \tmp] .endm +.macro hyp_str_this_cpu sym, reg, tmp1, tmp2 + hyp_adr_this_cpu \tmp1, \sym, \tmp2 + str \reg, [\tmp1] +.endm + .macro get_host_ctxt reg, tmp hyp_adr_this_cpu \reg, kvm_host_data, \tmp add \reg, \reg, #HOST_DATA_CONTEXT -- 2.28.0.618.gf4bc123cb7-goog