From: "Maciej W. Rozycki" <macro@linux-mips.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Fredrik Noring <noring@nocrew.org>,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/6] MIPS: remove cpu_has_64bit_gp_regs and cpu_has_64bit_addresses
Date: Wed, 25 Mar 2020 02:36:57 +0000 (GMT) [thread overview]
Message-ID: <alpine.LFD.2.21.2003250226450.2689954@eddie.linux-mips.org> (raw)
In-Reply-To: <20200324161525.754181-2-hch@lst.de>
On Tue, 24 Mar 2020, Christoph Hellwig wrote:
> Both macros are always identical to CONFIG_64BIT.
I think this abstraction makes sense, especially if we want to support
64-bit CPUs that only support 32-bit segments, i.e. MIPS architecture
processors whose CP0.Config.AT=1, or legacy MIPS processors that had a
similar limitation, such as the R5900 currently under review.
Maciej
next prev parent reply other threads:[~2020-03-25 2:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-24 16:15 MIPS ioremap cleanups Christoph Hellwig
2020-03-24 16:15 ` [PATCH 1/6] MIPS: remove cpu_has_64bit_gp_regs and cpu_has_64bit_addresses Christoph Hellwig
2020-03-25 2:36 ` Maciej W. Rozycki [this message]
2020-03-25 8:30 ` Christoph Hellwig
2020-03-25 8:55 ` Fredrik Noring
2020-03-25 8:58 ` Christoph Hellwig
2020-03-25 9:24 ` Fredrik Noring
2020-03-25 9:54 ` Christoph Hellwig
2020-03-25 11:04 ` Fredrik Noring
2020-03-24 16:15 ` [PATCH 2/6] MIPS: cleanup fixup_bigphys_addr handling Christoph Hellwig
2020-03-24 16:15 ` [PATCH 3/6] MIPS: merge __ioremap_mode into ioremap_prot Christoph Hellwig
2020-03-24 16:15 ` [PATCH 4/6] MIPS: split out the 64-bit ioremap implementation Christoph Hellwig
2020-03-24 16:15 ` [PATCH 5/6] MIPS: move ioremap_prot und iounmap out of line Christoph Hellwig
2020-03-24 16:15 ` [PATCH 6/6] MIPS: use ioremap_page_range Christoph Hellwig
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