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From: Joerg Roedel <joro@8bytes.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	linux-kernel@vger.kernel.org, Joerg Roedel <jroedel@suse.de>
Subject: [PATCH 0/3 4.19-stable] Sync mappings in vmalloc/ioremap areas
Date: Tue, 13 Aug 2019 17:28:02 +0200
Message-ID: <20190813152805.5251-1-joro@8bytes.org> (raw)

From: Joerg Roedel <jroedel@suse.de>

Backport commits from upstream to fix a data corruption
issue that gets exposed when using PTI on x86-32.

Please consider them for inclusion into stable-4.19.

Joerg Roedel (3):
  x86/mm: Check for pfn instead of page in vmalloc_sync_one()
  x86/mm: Sync also unmappings in vmalloc_sync_all()
  mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy()

 arch/x86/mm/fault.c | 15 ++++++---------
 mm/vmalloc.c        |  9 +++++++++
 2 files changed, 15 insertions(+), 9 deletions(-)

-- 
2.16.4


             reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-13 15:28 Joerg Roedel [this message]
2019-08-13 15:28 ` [PATCH 1/3] x86/mm: Check for pfn instead of page in vmalloc_sync_one() Joerg Roedel
2019-08-13 15:28 ` [PATCH 2/3] x86/mm: Sync also unmappings in vmalloc_sync_all() Joerg Roedel
2019-08-13 15:28 ` [PATCH 3/3] mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy() Joerg Roedel

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