From: Christoph Hellwig <hch@infradead.org>
To: Atish Patra <atish.patra@wdc.com>
Cc: linux-kernel@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Albert Ou <aou@eecs.berkeley.edu>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Alan Kao <alankao@andestech.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Anup Patel <anup.patel@wdc.com>, Johan Hovold <johan@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Palmer Dabbelt <palmer@sifive.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
linux-riscv@lists.infradead.org, Enrico Weigelt <info@metux.net>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v4 2/4] RISC-V: Add riscv_isa reprensenting ISA features common across CPUs
Date: Tue, 6 Aug 2019 23:51:19 -0700 [thread overview]
Message-ID: <20190807065119.GA7825@infradead.org> (raw)
In-Reply-To: <20190803042723.7163-3-atish.patra@wdc.com>
On Fri, Aug 02, 2019 at 09:27:21PM -0700, Atish Patra wrote:
> From: Anup Patel <anup.patel@wdc.com>
>
> This patch adds riscv_isa integer to represent ISA features common
> across all CPUs. The riscv_isa is not same as elf_hwcap because
> elf_hwcap will only have ISA features relevant for user-space apps
> whereas riscv_isa will have ISA features relevant to both kernel
> and user-space apps.
>
> One of the use case is KVM hypervisor where riscv_isa will be used
> to do following operations:
Please add this to the kvm series. Right now this is just dead code.
next prev parent reply other threads:[~2019-08-07 6:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-03 4:27 [PATCH v4 0/4] Miscellaneous fixes Atish Patra
2019-08-03 4:27 ` [PATCH v4 1/4] RISC-V: Remove per cpu clocksource Atish Patra
2019-08-06 21:37 ` Paul Walmsley
2019-08-07 8:04 ` Daniel Lezcano
2019-08-03 4:27 ` [PATCH v4 2/4] RISC-V: Add riscv_isa reprensenting ISA features common across CPUs Atish Patra
2019-08-06 21:54 ` Paul Walmsley
2019-08-07 4:12 ` Anup Patel
2019-08-07 6:51 ` Christoph Hellwig [this message]
2019-08-07 6:55 ` Anup Patel
2019-08-03 4:27 ` [PATCH v4 3/4] RISC-V: Fix unsupported isa string info Atish Patra
2019-08-03 4:27 ` [PATCH v4 4/4] dt-bindings: Update the riscv,isa string description Atish Patra
2019-08-06 21:43 ` Paul Walmsley
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