From: Linus Torvalds <torvalds@linux-foundation.org>
To: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: linux-arch <linux-arch@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Peter Zijlstra <peterz@infradead.org>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Nick Piggin <npiggin@gmail.com>, Linux-MM <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-snps-arc@lists.infradead.org, Will Deacon <will@kernel.org>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: [PATCH v2 1/5] ARC: mm: remove __ARCH_USE_5LEVEL_HACK
Date: Tue, 15 Oct 2019 14:48:42 -0700 [thread overview]
Message-ID: <CAHk-=wi3QC7tj3rmTPg5RmK_ugVKYs-jKqX=TaASWfd73Owaig@mail.gmail.com> (raw)
In-Reply-To: <20191015191926.9281-2-vgupta@synopsys.com>
On Tue, Oct 15, 2019 at 12:19 PM Vineet Gupta
<Vineet.Gupta1@synopsys.com> wrote:
>
> This is a non-functional change anyways since ARC has software page walker
> with 2 lookup levels (pgd -> pte)
Could we encourage other architectures to do the same, and get rid of
all uses of __ARCH_USE_5LEVEL_HACK?
Linus
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next prev parent reply other threads:[~2019-10-15 21:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-15 19:19 [PATCH v2 0/5] eldie generated code for folded p4d/pud Vineet Gupta
2019-10-15 19:19 ` [PATCH v2 1/5] ARC: mm: remove __ARCH_USE_5LEVEL_HACK Vineet Gupta
2019-10-15 21:48 ` Linus Torvalds [this message]
2019-10-15 22:06 ` Vineet Gupta
2019-10-15 19:19 ` [PATCH v2 2/5] asm-generic/tlb: stub out pud_free_tlb() if nopud Vineet Gupta
2019-10-15 21:46 ` Linus Torvalds
2019-10-15 19:19 ` [PATCH v2 3/5] asm-generic/tlb: stub out p4d_free_tlb() if nop4d Vineet Gupta
2019-10-15 21:47 ` Linus Torvalds
2019-10-15 19:19 ` [PATCH v2 4/5] asm-generic/tlb: stub out pmd_free_tlb() if nopmd Vineet Gupta
2019-10-15 19:19 ` [PATCH v2 5/5] asm-generic/mm: stub out p{4, d}d_clear_bad() if __PAGETABLE_P{4, u}D_FOLDED Vineet Gupta
2019-10-16 10:35 ` [PATCH v2 5/5] asm-generic/mm: stub out p{4,d}d_clear_bad() if __PAGETABLE_P{4,u}D_FOLDED Kirill A. Shutemov
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