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[14.202.91.55]) by smtp.gmail.com with ESMTPSA id x24sm11383984pgl.84.2019.08.26.20.30.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Aug 2019 20:30:41 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 0/4] powerpc/64: syscalls in C Date: Tue, 27 Aug 2019 13:30:05 +1000 Message-Id: <20190827033010.28090-1-npiggin@gmail.com> X-Mailer: git-send-email 2.22.0 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: Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This hasn't been highly stress tested or tested all cases (like 32-bit binaries, single stepping, etc.) but so far it's running stable doing normal kernel development and microbenchmarks. Thanks, Nick Nicholas Piggin (4): powerpc: convert to copy_thread_tls powerpc/64: remove support for kernel-mode syscalls powerpc/64: system call remove non-volatile GPR save optimisation powerpc/64: system call implement the bulk of the logic in C arch/powerpc/Kconfig | 1 + arch/powerpc/include/asm/asm-prototypes.h | 11 - arch/powerpc/include/asm/ptrace.h | 3 + arch/powerpc/include/asm/signal.h | 2 + arch/powerpc/include/asm/switch_to.h | 4 + arch/powerpc/include/asm/time.h | 3 + arch/powerpc/kernel/Makefile | 3 +- arch/powerpc/kernel/entry_64.S | 424 ++++------------------ arch/powerpc/kernel/exceptions-64s.S | 2 - arch/powerpc/kernel/process.c | 15 +- arch/powerpc/kernel/signal.h | 2 - arch/powerpc/kernel/syscall_64.c | 202 +++++++++++ arch/powerpc/kernel/syscalls/syscall.tbl | 22 +- 13 files changed, 305 insertions(+), 389 deletions(-) create mode 100644 arch/powerpc/kernel/syscall_64.c -- 2.22.0