linux-kernel - [PATCH v2 0/2] RISC-V: Don't use a global include guard for uapi/asm/syscalls.

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Date:   Thu,  9 Aug 2018 13:25:22 -0700
From:   Palmer Dabbelt <palmer@...ive.com>
To:     Christoph Hellwig <hch@...radead.org>, linux@...ck-us.net
Cc:     Palmer Dabbelt <palmer@...ive.com>, aou@...s.berkeley.edu,
        Arnd Bergmann <arnd@...db.de>, tklauser@...tanz.ch,
        Andrew Waterman <andrew@...ive.com>, dan.carpenter@...cle.com,
        linux@...inikbrodowski.net, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/2] RISC-V: Don't use a global include guard for uapi/asm/syscalls.

It turns out that we weren't actually hooking sys_riscv_flush_icache
into the syscall table, which results in any flush_icache() call that
escapes the vDSO to silently do nothing.

Changes since v1:

* sys_riscv_flush_icache is now defined even when SMP=n, which allows
  this patch set to build against SMP=n and SMP=y.