[PATCH v2 4/4] arm64: Do not expose PCI mmap through procfs

From: David Woodhouse
Date: Wed Mar 15 2017 - 16:42:58 EST


From: David Woodhouse <dwmw@xxxxxxxxxxxx>

Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
---
We shouldn't do this bit. But you did ask...

drivers/pci/proc.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 5cd960c..233d549 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -17,6 +17,11 @@

static int proc_initialized; /* = 0 */

+#ifdef __aarch64__
+/* ARM64 wants to be special and not expose this through /proc like everyone else */
+#undef HAVE_PCI_MMAP
+#endif
+
static loff_t proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
{
struct pci_dev *dev = PDE_DATA(file_inode(file));
--
dwmw2

Attachment: smime.p7s
Description: S/MIME cryptographic signature