Mao Han 98a93b0b56 riscv: Add support for perf registers sampling ... This patch implements the perf registers sampling and validation API for the riscv arch. The valid registers and their register ID are defined in perf_regs.h. Perf tool can backtrace in userspace with unwind library and the registers/user stack dump support. Signed-off-by: Mao Han <han_mao@c-sky.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Greentime Hu <green.hu@gmail.com> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: linux-riscv <linux-riscv@lists.infradead.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Guo Ren <guoren@kernel.org> Tested-by: Greentime Hu <greentime.hu@sifive.com> [paul.walmsley@sifive.com: minor patch description fix] Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>		2019-09-05 00:48:58 -07:00
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boot	riscv: dts: fu540-c000: drop "timebase-frequency"	2019-07-31 12:26:10 -07:00
configs	riscv: defconfig: Update the defconfig	2019-08-13 19:26:42 -07:00
include	riscv: Add support for perf registers sampling	2019-09-05 00:48:58 -07:00
kernel	riscv: Add support for perf registers sampling	2019-09-05 00:48:58 -07:00
lib	riscv: Using CSR numbers to access CSRs	2019-08-30 11:04:19 -07:00
mm	RISC-V: Implement sparsemem	2019-08-30 11:10:37 -07:00
net	bpf, riscv: Enable zext optimization for more RV64G ALU ops	2019-07-05 23:55:41 +02:00
Kbuild	riscv: add arch/riscv/Kbuild	2019-08-30 17:34:00 -07:00
Kconfig	riscv: Add support for perf registers sampling	2019-09-05 00:48:58 -07:00
Kconfig.debug	RISC-V: Remove EARLY_PRINTK support	2018-12-17 10:23:46 -08:00
Kconfig.socs	riscv: select SiFive platform drivers with SOC_SIFIVE	2019-07-01 13:20:01 -07:00
Makefile	riscv: Add perf callchain support	2019-09-04 12:43:00 -07:00