From: akpm@linux-foundation.org
To: bp@alien8.de, catalin.marinas@arm.com, dingtianhong@huawei.com,
hch@lst.de, hpa@zytor.com, linmiaohe@huawei.com,
linux@armlinux.org.uk, mingo@redhat.com,
mm-commits@vger.kernel.org, mpe@ellerman.id.au,
npiggin@gmail.com, tglx@linutronix.de, urezki@gmail.com,
will@kernel.org
Subject: + mm-vmalloc-add-vmap_range_noflush-variant.patch added to -mm tree
Date: Wed, 17 Mar 2021 16:04:01 -0700 [thread overview]
Message-ID: <20210317230401.GMNJT2tJa%akpm@linux-foundation.org> (raw)
The patch titled
Subject: mm/vmalloc: add vmap_range_noflush variant
has been added to the -mm tree. Its filename is
mm-vmalloc-add-vmap_range_noflush-variant.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-vmalloc-add-vmap_range_noflush-variant.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmalloc-add-vmap_range_noflush-variant.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Nicholas Piggin <npiggin@gmail.com>
Subject: mm/vmalloc: add vmap_range_noflush variant
As a side-effect, the order of flush_cache_vmap() and
arch_sync_kernel_mappings() calls are switched, but that now matches the
other callers in this file.
Link: https://lkml.kernel.org/r/20210317062402.533919-13-npiggin@gmail.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ding Tianhong <dingtianhong@huawei.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/vmalloc.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
--- a/mm/vmalloc.c~mm-vmalloc-add-vmap_range_noflush-variant
+++ a/mm/vmalloc.c
@@ -240,7 +240,7 @@ static int vmap_p4d_range(pgd_t *pgd, un
return 0;
}
-int vmap_range(unsigned long addr, unsigned long end,
+static int vmap_range_noflush(unsigned long addr, unsigned long end,
phys_addr_t phys_addr, pgprot_t prot,
unsigned int max_page_shift)
{
@@ -263,13 +263,23 @@ int vmap_range(unsigned long addr, unsig
break;
} while (pgd++, phys_addr += (next - addr), addr = next, addr != end);
- flush_cache_vmap(start, end);
-
if (mask & ARCH_PAGE_TABLE_SYNC_MASK)
arch_sync_kernel_mappings(start, end);
return err;
}
+
+int vmap_range(unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot,
+ unsigned int max_page_shift)
+{
+ int err;
+
+ err = vmap_range_noflush(addr, end, phys_addr, prot, max_page_shift);
+ flush_cache_vmap(addr, end);
+
+ return err;
+}
static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
pgtbl_mod_mask *mask)
_
Patches currently in -mm which might be from npiggin@gmail.com are
arm-mm-add-missing-pud_page-define-to-2-level-page-tables.patch
mm-vmalloc-fix-huge_vmap-regression-by-enabling-huge-pages-in-vmalloc_to_page.patch
mm-apply_to_pte_range-warn-and-fail-if-a-large-pte-is-encountered.patch
mm-vmalloc-rename-vmap__range-vmap_pages__range.patch
mm-ioremap-rename-ioremap__range-to-vmap__range.patch
mm-huge_vmap-arch-support-cleanup.patch
powerpc-inline-huge-vmap-supported-functions.patch
arm64-inline-huge-vmap-supported-functions.patch
x86-inline-huge-vmap-supported-functions.patch
mm-vmalloc-provide-fallback-arch-huge-vmap-support-functions.patch
mm-move-vmap_range-from-mm-ioremapc-to-mm-vmallocc.patch
mm-vmalloc-add-vmap_range_noflush-variant.patch
mm-vmalloc-hugepage-vmalloc-mappings.patch
powerpc-64s-radix-enable-huge-vmalloc-mappings.patch
reply other threads:[~2021-03-17 23:04 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210317230401.GMNJT2tJa%akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=bp@alien8.de \
--cc=catalin.marinas@arm.com \
--cc=dingtianhong@huawei.com \
--cc=hch@lst.de \
--cc=hpa@zytor.com \
--cc=linmiaohe@huawei.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=mingo@redhat.com \
--cc=mm-commits@vger.kernel.org \
--cc=mpe@ellerman.id.au \
--cc=npiggin@gmail.com \
--cc=tglx@linutronix.de \
--cc=urezki@gmail.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.