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[2001:44b8:1113:6700:6e65:7e50:8dac:f7ef]) by smtp.gmail.com with ESMTPSA id x9sm4080321pjp.3.2021.02.24.19.10.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Feb 2021 19:10:34 -0800 (PST) From: Daniel Axtens To: llvmlinux@lists.linuxfoundation.org, linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH 6/8] powerpc/mm/book3s64/hash: drop pre 2.06 tlbiel for clang Date: Thu, 25 Feb 2021 14:10:04 +1100 Message-Id: <20210225031006.1204774-7-dja@axtens.net> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210225031006.1204774-1-dja@axtens.net> References: <20210225031006.1204774-1-dja@axtens.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Axtens Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" The llvm integrated assembler does not recognise the ISA 2.05 tlbiel version. Eventually do this more smartly. Signed-off-by: Daniel Axtens --- arch/powerpc/mm/book3s64/hash_native.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/powerpc/mm/book3s64/hash_native.c b/arch/powerpc/mm/book3s64/hash_native.c index 52e170bd95ae..c5937f69a452 100644 --- a/arch/powerpc/mm/book3s64/hash_native.c +++ b/arch/powerpc/mm/book3s64/hash_native.c @@ -267,9 +267,14 @@ static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize) va |= ssize << 8; sllp = get_sllp_encoding(apsize); va |= sllp << 5; +#if 0 asm volatile(ASM_FTR_IFSET("tlbiel %0", "tlbiel %0,0", %1) : : "r" (va), "i" (CPU_FTR_ARCH_206) : "memory"); +#endif + asm volatile("tlbiel %0" + : : "r" (va) + : "memory"); break; default: /* We need 14 to 14 + i bits of va */ @@ -286,9 +291,14 @@ static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize) */ va |= (vpn & 0xfe); va |= 1; /* L */ +#if 0 asm volatile(ASM_FTR_IFSET("tlbiel %0", "tlbiel %0,1", %1) : : "r" (va), "i" (CPU_FTR_ARCH_206) : "memory"); +#endif + asm volatile("tlbiel %0" + : : "r" (va) + : "memory"); break; } trace_tlbie(0, 1, va, 0, 0, 0, 0); -- 2.27.0