From: Andreas Herrmann <andreas.herrmann@caviumnetworks.com>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: <linux-mips@linux-mips.org>, David Daney <ddaney.cavm@gmail.com>,
James Hogan <james.hogan@imgtec.com>, <kvm@vger.kernel.org>,
David Daney <david.daney@cavium.com>
Subject: Re: [PATCH 06/15] MIPS: Add minimal support for OCTEON3 to c-r4k.c
Date: Wed, 21 May 2014 23:02:12 +0200 [thread overview]
Message-ID: <20140521210212.GH11800@alberich> (raw)
In-Reply-To: <20140521124041.GP10287@linux-mips.org>
On Wed, May 21, 2014 at 02:40:41PM +0200, Ralf Baechle wrote:
> On Tue, May 20, 2014 at 04:47:07PM +0200, Andreas Herrmann wrote:
>
> > +static inline void r4k_blast_dcache_page_dc128(unsigned long addr)
> > +{
> > + R4600_HIT_CACHEOP_WAR_IMPL;
>
> The R4600 has 32 byte cache lines that is this line will never be
> executed on an R4600 thus can be dropped.
So the line can also be removed from r4k_blast_dcache_page_dc64?
> > + blast_dcache128_page(addr);
> > +}
> > +
> > static void r4k_blast_dcache_page_setup(void)
> > {
> > unsigned long dc_lsize = cpu_dcache_line_size();
> > @@ -121,6 +127,8 @@ static void r4k_blast_dcache_page_setup(void)
> > r4k_blast_dcache_page = r4k_blast_dcache_page_dc32;
> > else if (dc_lsize == 64)
> > r4k_blast_dcache_page = r4k_blast_dcache_page_dc64;
> > + else if (dc_lsize == 128)
> > + r4k_blast_dcache_page = r4k_blast_dcache_page_dc128;
>
>
> For another patch - let's see if this can be turned into a switch
> construct which hopefully is more readable and produces just as
> afficient code with reasonable vintage of gcc.
Ok.
Andreas
next prev parent reply other threads:[~2014-05-21 21:04 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-20 14:47 [PATCH 00/15] MIPS: Add mips_paravirt Andreas Herrmann
2014-05-20 14:47 ` [PATCH 01/15] MIPS: OCTEON: Enable use of FPU Andreas Herrmann
2014-05-20 14:47 ` [PATCH 02/15] MIPS: Move system level config items from CPU_CAVIUM_OCTEON to CAVIUM_OCTEON_SOC Andreas Herrmann
2014-05-20 14:47 ` [PATCH 03/15] MIPS: OCTEON: Move CAVIUM_OCTEON_CVMSEG_SIZE to CPU_CAVIUM_OCTEON Andreas Herrmann
2014-05-20 22:52 ` James Hogan
2014-05-20 23:23 ` David Daney
2014-05-21 6:22 ` Andreas Herrmann
2014-05-20 14:47 ` [PATCH 04/15] MIPS: Don't use RI/XI with 32-bit kernels on 64-bit CPUs Andreas Herrmann
2014-05-20 14:47 ` [PATCH 05/15] MIPS: Don't build fast TLB refill handler with 32-bit kernels Andreas Herrmann
2014-05-21 9:38 ` James Hogan
2014-05-21 13:04 ` Ralf Baechle
2014-05-21 13:17 ` Andreas Herrmann
2014-05-20 14:47 ` [PATCH 06/15] MIPS: Add minimal support for OCTEON3 to c-r4k.c Andreas Herrmann
2014-05-21 10:04 ` James Hogan
2014-05-21 16:10 ` David Daney
2014-05-21 12:40 ` Ralf Baechle
2014-05-21 21:02 ` Andreas Herrmann [this message]
2014-05-22 7:59 ` Ralf Baechle
2014-05-20 14:47 ` [PATCH 07/15] MIPS: Add mips_cpunum() function Andreas Herrmann
2014-05-21 11:10 ` James Hogan
2014-05-22 16:13 ` Andreas Herrmann
2014-05-22 16:15 ` James Hogan
2014-05-20 14:47 ` [PATCH 08/15] MIPS: OCTEON: Add OCTEON3 to __get_cpu_type Andreas Herrmann
2014-05-20 14:47 ` [PATCH 09/15] MIPS: Add functions for hypervisor call Andreas Herrmann
2014-05-21 0:16 ` James Hogan
2014-05-21 7:30 ` Andreas Herrmann
2014-05-20 14:47 ` [PATCH 10/15] MIPS: Add code for new system 'paravirt' Andreas Herrmann
2014-05-21 13:39 ` James Hogan
2014-05-21 16:31 ` David Daney
2014-05-21 16:46 ` James Hogan
2014-05-23 20:31 ` Andreas Herrmann
2014-05-22 16:54 ` Andreas Herrmann
2014-05-23 20:28 ` Andreas Herrmann
2014-05-23 21:47 ` Ralf Baechle
2014-05-20 14:47 ` [PATCH 11/15] MIPS: paravirt: Add pci controller for virtio Andreas Herrmann
2014-05-21 11:42 ` James Hogan
2014-05-22 20:17 ` Andreas Herrmann
2014-05-28 22:10 ` Andreas Herrmann
2014-05-21 13:34 ` Ralf Baechle
2014-05-20 14:47 ` [PATCH 12/15] MIPS: Enable build for new system 'paravirt' Andreas Herrmann
2014-05-20 14:47 ` [PATCH 13/15] MIPS: Add defconfig for mips_paravirt Andreas Herrmann
2014-05-20 23:14 ` James Hogan
2014-05-21 6:29 ` Andreas Herrmann
2014-05-20 14:47 ` [PATCH 14/15] MIPS: paravirt: Update mips_paravirt_defconfig Andreas Herrmann
2014-05-20 23:17 ` James Hogan
2014-05-21 6:36 ` Andreas Herrmann
2014-05-20 14:47 ` [PATCH 15/15] MIPS: paravirt: Provide _machine_halt function to exit VM on shutdown of guest Andreas Herrmann
2014-05-21 13:44 ` James Hogan
2014-05-28 22:04 ` Andreas Herrmann
2014-05-28 23:18 ` James Hogan
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