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  1. 17 Nov, 2016 4 commits
    • Abhi Das's avatar
      fix iov_iter_advance() for ITER_PIPE · 680bb946
      Abhi Das authored 
      iov_iter_advance() needs to decrement iter->count by the number of
bytes we'd moved beyond.  Normal flavours do that, but ITER_PIPE
doesn't and ITER_PIPE generic_file_read_iter() for O_DIRECT files
ends up with a bogus fallback to page cache read, resulting in incorrect
values for file offset and bytes read.
Signed-off-by: default avatarAbhi Das <adas@redhat.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      680bb946
    • Andreas Gruenbacher's avatar
      xattr: Fix setting security xattrs on sockfs · 4a590153
      Andreas Gruenbacher authored 
      The IOP_XATTR flag is set on sockfs because sockfs supports getting the
"system.sockprotoname" xattr.  Since commit 6c6ef9f2, this flag is checked for
setxattr support as well.  This is wrong on sockfs because security xattr
support there is supposed to be provided by security_inode_setsecurity.  The
smack security module relies on socket labels (xattrs).

Fix this by adding a security xattr handler on sockfs that returns
-EAGAIN, and by checking for -EAGAIN in setxattr.

We cannot simply check for -EOPNOTSUPP in setxattr because there are
filesystems that neither have direct security xattr support nor support
via security_inode_setsecurity.  A more proper fix might be to move the
call to security_inode_setsecurity into sockfs, but it's not clear to me
if that is safe: we would end up calling security_inode_post_setxattr after
that as well.
Signed-off-by: default avatarAndreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      4a590153
    • Linus Torvalds's avatar
      Merge tag 'drm-fixes-for-v4.9-rc6' of git://people.freedesktop.org/~airlied/linux · 961b708e
      Linus Torvalds authored 
      Pull drm fixes fr9om Dave Airlie:
 "Fixes for amdgpu, and a bunch of arm drivers.

  There seems to be an uptick in the ARM drivers sending things for
  fixes which is good, so I've decided to dequeue a bit early, more
  stuff may arrive before the weekend.

  This contains mediatek, arcpgu, sunxi, fsl-dcu display controller
  fixes along with 3 amdgpu fixes, one for a fencing issue with
  secondary GPUs"

* tag 'drm-fixes-for-v4.9-rc6' of git://people.freedesktop.org/~airlied/linux:
  drm/amdgpu:fix vpost_needed routine
  drm/amdgpu/powerplay: drop a redundant NULL check
  drm/amdgpu: Attach exclusive fence to prime exported bo's. (v5)
  drm/arcpgu: Accommodate adv7511 switch to DRM bridge
  drm/fsl-dcu: disable planes before disabling CRTC
  drm/fsl-dcu: update all registers on flush
  drm/fsl-dcu: do not update when modifying irq registers
  drm/sun4i: Propagate error to the caller
  drm/sun4i: Fix error handling
  drm/mediatek: modify the factor to make the pll_rate set in the 1G-2G range
  drm/mediatek: enhance the HDMI driving current
  drm/mediatek: do mtk_hdmi_send_infoframe after HDMI clock enable
  drm/mediatek: clear IRQ status before enable OVL interrupt
  drm/mediatek: set vblank_disable_allowed to true
  drm/mediatek: fix a typo of OD_CFG to OD_RELAYMODE
  drm/sun4i: rgb: Remove the bridge enable/disable functions
  drm/sun4i: rgb: Enable panel after controller
      961b708e
    • Linus Torvalds's avatar
      Merge tag 'xtensa-20161116' of git://github.com/jcmvbkbc/linux-xtensa · 5fd0f1ca
      Linus Torvalds authored 
      Pull Xtensa fixes from Max Filippov:

 - fix register dumps, stack dumps and stack traces that got torn due to
   recent printk changes

 - wire up pkey_{mprotect,alloc,free} syscalls

* tag 'xtensa-20161116' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: wire up new pkey_{mprotect,alloc,free} syscalls
  xtensa: clean up printk usage for boot/crash logging
      5fd0f1ca
  3. 16 Nov, 2016 9 commits
  5. 15 Nov, 2016 6 commits
  7. 14 Nov, 2016 21 commits
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net · e76d21c4
      Linus Torvalds authored 
      Pull networking fixes from David Miller:

 1) Fix off by one wrt. indexing when dumping /proc/net/route entries,
    from Alexander Duyck.

 2) Fix lockdep splats in iwlwifi, from Johannes Berg.

 3) Cure panic when inserting certain netfilter rules when NFT_SET_HASH
    is disabled, from Liping Zhang.

 4) Memory leak when nft_expr_clone() fails, also from Liping Zhang.

 5) Disable UFO when path will apply IPSEC tranformations, from Jakub
    Sitnicki.

 6) Don't bogusly double cwnd in dctcp module, from Florian Westphal.

 7) skb_checksum_help() should never actually use the value "0" for the
    resulting checksum, that has a special meaning, use CSUM_MANGLED_0
    instead. From Eric Dumazet.

 8) Per-tx/rx queue statistic strings are wrong in qed driver, fix from
    Yuval MIntz.

 9) Fix SCTP reference counting of associations and transports in
    sctp_diag. From Xin Long.

10) When we hit ip6tunnel_xmit() we could have come from an ipv4 path in
    a previous layer or similar, so explicitly clear the ipv6 control
    block in the skb. From Eli Cooper.

11) Fix bogus sleeping inside of inet_wait_for_connect(), from WANG
    Cong.

12) Correct deivce ID of T6 adapter in cxgb4 driver, from Hariprasad
    Shenai.

13) Fix potential access past the end of the skb page frag array in
    tcp_sendmsg(). From Eric Dumazet.

14) 'skb' can legitimately be NULL in inet{,6}_exact_dif_match(). Fix
    from David Ahern.

15) Don't return an error in tcp_sendmsg() if we wronte any bytes
    successfully, from Eric Dumazet.

16) Extraneous unlocks in netlink_diag_dump(), we removed the locking
    but forgot to purge these unlock calls. From Eric Dumazet.

17) Fix memory leak in error path of __genl_register_family(). We leak
    the attrbuf, from WANG Cong.

18) cgroupstats netlink policy table is mis-sized, from WANG Cong.

19) Several XDP bug fixes in mlx5, from Saeed Mahameed.

20) Fix several device refcount leaks in network drivers, from Johan
    Hovold.

21) icmp6_send() should use skb dst device not skb->dev to determine L3
    routing domain. From David Ahern.

22) ip_vs_genl_family sets maxattr incorrectly, from WANG Cong.

23) We leak new macvlan port in some cases of maclan_common_netlink()
    errors. Fix from Gao Feng.

24) Similar to the icmp6_send() fix, icmp_route_lookup() should
    determine L3 routing domain using skb_dst(skb)->dev not skb->dev.
    Also from David Ahern.

25) Several fixes for route offloading and FIB notification handling in
    mlxsw driver, from Jiri Pirko.

26) Properly cap __skb_flow_dissect()'s return value, from Eric Dumazet.

27) Fix long standing regression in ipv4 redirect handling, wrt.
    validating the new neighbour's reachability. From Stephen Suryaputra
    Lin.

28) If sk_filter() trims the packet excessively, handle it reasonably in
    tcp input instead of exploding. From Eric Dumazet.

29) Fix handling of napi hash state when copying channels in sfc driver,
    from Bert Kenward.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (121 commits)
  mlxsw: spectrum_router: Flush FIB tables during fini
  net: stmmac: Fix lack of link transition for fixed PHYs
  sctp: change sk state only when it has assocs in sctp_shutdown
  bnx2: Wait for in-flight DMA to complete at probe stage
  Revert "bnx2: Reset device during driver initialization"
  ps3_gelic: fix spelling mistake in debug message
  net: ethernet: ixp4xx_eth: fix spelling mistake in debug message
  ibmvnic: Fix size of debugfs name buffer
  ibmvnic: Unmap ibmvnic_statistics structure
  sfc: clear napi_hash state when copying channels
  mlxsw: spectrum_router: Correctly dump neighbour activity
  mlxsw: spectrum: Fix refcount bug on span entries
  bnxt_en: Fix VF virtual link state.
  bnxt_en: Fix ring arithmetic in bnxt_setup_tc().
  Revert "include/uapi/linux/atm_zatm.h: include linux/time.h"
  tcp: take care of truncations done by sk_filter()
  ipv4: use new_gw for redirect neigh lookup
  r8152: Fix error path in open function
  net: bpqether.h: remove if_ether.h guard
  net: __skb_flow_dissect() must cap its return value
  ...
      e76d21c4
    • Linus Torvalds's avatar
      Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile · d4b95323
      Linus Torvalds authored 
      Pull arch/tile bugfix from Chris Metcalf:
 "This just fixes an incompatibility with tile __ro_after_init"

* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  tile: handle __ro_after_init like parisc does
      d4b95323
    • Linus Torvalds's avatar
      Merge tag 'rtc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux · ac38126b
      Linus Torvalds authored 
      Pull RTC fixes from Alexandre Belloni:
 "Here are a few driver fixes for 4.9. It has been calm for a while so I
  don't expect more for this cycle.

  Drivers:
   - asm9260: fix module autoload
   - cmos: fix crashes
   - omap: fix clock handling"

* tag 'rtc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: omap: prevent disabling of clock/module during suspend
  rtc: omap: Fix selecting external osc
  rtc: cmos: Don't enable interrupts in the middle of the interrupt handler
  rtc: cmos: remove all __exit_p annotations
  rtc: asm9260: fix module autoload
      ac38126b
    • Chris Metcalf's avatar
      tile: handle __ro_after_init like parisc does · e123386b
      Chris Metcalf authored 
      The tile architecture already marks RO_DATA as read-only in
the kernel, so grouping RO_AFTER_INIT_DATA with RO_DATA, as is
done by default, means the kernel faults in init when it tries
to write to RO_AFTER_INIT_DATA.  For now, just arrange that
__ro_after_init is handled like __write_once, i.e. __read_mostly.
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarChris Metcalf <cmetcalf@mellanox.com>
      e123386b
    • Ido Schimmel's avatar
      mlxsw: spectrum_router: Flush FIB tables during fini · ac571de9
      Ido Schimmel authored 
      Since commit b45f64d1 ("mlxsw: spectrum_router: Use FIB notifications
instead of switchdev calls") we reflect to the device the entire FIB
table and not only FIBs that point to netdevs created by the driver.

During module removal, FIBs of the second type are removed following
NETDEV_UNREGISTER events sent. The other FIBs are still present in both
the driver's cache and the device's table.

Fix this by iterating over all the FIB tables in the device and flush
them. There's no need to take locks, as we're the only writer.

Fixes: b45f64d1 ("mlxsw: spectrum_router: Use FIB notifications instead of switchdev calls")
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      ac571de9
    • Florian Fainelli's avatar
      net: stmmac: Fix lack of link transition for fixed PHYs · c51e424d
      Florian Fainelli authored 
      Commit 52f95bbf ("stmmac: fix adjust link call in case of a switch
is attached") added some logic to avoid polling the fixed PHY and
therefore invoking the adjust_link callback more than once, since this
is a fixed PHY and link events won't be generated.

This works fine the first time, because we start with phydev->irq =
PHY_POLL, so we call adjust_link, then we set phydev->irq =
PHY_IGNORE_INTERRUPT and we stop polling the PHY.

Now, if we called ndo_close(), which calls both phy_stop() and does an
explicit netif_carrier_off(), we end up with a link down. Upon calling
ndo_open() again, despite starting the PHY state machine, we have
PHY_IGNORE_INTERRUPT set, and we generate no link event at all, so the
link is permanently down.

Fixes: 52f95bbf ("stmmac: fix adjust link call in case of a switch is attached")
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Acked-by: default avatarGiuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      c51e424d
    • Steven Rostedt (Red Hat)'s avatar
      ftrace: Add more checks for FTRACE_FL_DISABLED in processing ip records · 546fece4
      Steven Rostedt (Red Hat) authored 
      When a module is first loaded and its function ip records are added to the
ftrace list of functions to modify, they are set to DISABLED, as their text
is still in a read only state. When the module is fully loaded, and can be
updated, the flag is cleared, and if their's any functions that should be
tracing them, it is updated at that moment.

But there's several locations that do record accounting and should ignore
records that are marked as disabled, or they can cause issues.

Alexei already fixed one location, but others need to be addressed.

Cc: stable@vger.kernel.org
Fixes: b7ffffbb "ftrace: Add infrastructure for delayed enabling of module functions"
Reported-by: default avatarAlexei Starovoitov <ast@kernel.org>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
      546fece4
    • Alexei Starovoitov's avatar
      ftrace: Ignore FTRACE_FL_DISABLED while walking dyn_ftrace records · 977c1f9c
      Alexei Starovoitov authored 
      ftrace_shutdown() checks for sanity of ftrace records
and if dyn_ftrace->flags is not zero, it will warn.
It can happen that 'flags' are set to FTRACE_FL_DISABLED at this point,
since some module was loaded, but before ftrace_module_enable()
cleared the flags for this module.

In other words the module.c is doing:
ftrace_module_init(mod); // calls ftrace_update_code() that sets flags=FTRACE_FL_DISABLED
... // here ftrace_shutdown() is called that warns, since
err = prepare_coming_module(mod); // didn't have a chance to clear FTRACE_FL_DISABLED

Fix it by ignoring disabled records.
It's similar to what __ftrace_hash_rec_update() is already doing.

Link: http://lkml.kernel.org/r/1478560460-3818619-1-git-send-email-ast@fb.com

Cc: stable@vger.kernel.org
Fixes: b7ffffbb "ftrace: Add infrastructure for delayed enabling of module functions"
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
      977c1f9c
    • Xin Long's avatar
      sctp: change sk state only when it has assocs in sctp_shutdown · 5bf35ddf
      Xin Long authored 
      Now when users shutdown a sock with SEND_SHUTDOWN in sctp, even if
this sock has no connection (assoc), sk state would be changed to
SCTP_SS_CLOSING, which is not as we expect.

Besides, after that if users try to listen on this sock, kernel
could even panic when it dereference sctp_sk(sk)->bind_hash in
sctp_inet_listen, as bind_hash is null when sock has no assoc.

This patch is to move sk state change after checking sk assocs
is not empty, and also merge these two if() conditions and reduce
indent level.

Fixes: d46e416c ("sctp: sctp should change socket state when shutdown is received")
Reported-by: default avatarAndrey Konovalov <andreyknvl@google.com>
Tested-by: default avatarAndrey Konovalov <andreyknvl@google.com>
Signed-off-by: default avatarXin Long <lucien.xin@gmail.com>
Acked-by: default avatarMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: default avatarNeil Horman <nhorman@tuxdriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      5bf35ddf
    • David S. Miller's avatar
      Merge branch 'bnx2-kdump-fix' · 193f5122
      David S. Miller authored 
      Baoquan He says:

====================
bnx2: Wait for in-flight DMA to complete at probe stage

This is v2 post.

In commit 3e1be7ad ("bnx2: Reset device during driver initialization"),
firmware requesting code was moved from open stage to probe stage.
The reason is in kdump kernel hardware iommu need device be reset in
driver probe stage, otherwise those in-flight DMA from 1st kernel
will continue going and look up into the newly created io-page tables.
However bnx2 chip resetting involves firmware requesting issue, that
need be done in open stage.

Michale Chan suggested we can just wait for the old in-flight DMA to
complete at probe stage, then though without device resetting, we
don't need to worry the old in-flight DMA could continue looking up
the newly created io-page tables.

v1->v2:
    Michael suggested to wait for the in-flight DMA to complete at probe
    stage. So give up the old method of trying to reset chip at probe
    stage, take the new way accordingly.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      193f5122
    • Baoquan He's avatar
      bnx2: Wait for in-flight DMA to complete at probe stage · 6df77862
      Baoquan He authored 
      In-flight DMA from 1st kernel could continue going in kdump kernel.
New io-page table has been created before bnx2 does reset at open stage.
We have to wait for the in-flight DMA to complete to avoid it look up
into the newly created io-page table at probe stage.
Suggested-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarBaoquan He <bhe@redhat.com>
Acked-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      6df77862
    • Baoquan He's avatar
      Revert "bnx2: Reset device during driver initialization" · 5d0d4b91
      Baoquan He authored 
      This reverts commit 3e1be7ad.

When people build bnx2 driver into kernel, it will fail to detect
and load firmware because firmware is contained in initramfs and
initramfs has not been uncompressed yet during do_initcalls. So
revert commit 3e1be7ad and work out a new way in the later patch.
Signed-off-by: default avatarBaoquan He <bhe@redhat.com>
Acked-by: default avatarPaul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      5d0d4b91
    • Max Filippov's avatar
      xtensa: wire up new pkey_{mprotect,alloc,free} syscalls · 709fb1f9
      Max Filippov authored 
      Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
      709fb1f9
    • Colin Ian King's avatar
      ps3_gelic: fix spelling mistake in debug message · 7020637b
      Colin Ian King authored 
      Trivial fix to spelling mistake "unmached" to "unmatched" in
debug message.
Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      7020637b
    • Linus Torvalds's avatar
      ASoC: lpass-platform: fix uninitialized variable · ee2bd216
      Linus Torvalds authored 
      In commit 022d00ee ("ASoC: lpass-platform: Fix broken pcm data
usage") the stream specific information initialization was broken, with
the dma channel information not being initialized if there was no
alloc_dma_channel() helper function.

Before that, the DMA channel number was implicitly initialized to zero
because the backing store was allocated with devm_kzalloc().  When the
init code was rewritten, that implicit initialization was lost, and gcc
rightfully complains about an uninitialized variable being used.

Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      ee2bd216
    • Linus Torvalds's avatar
      Revert "printk: make reading the kernel log flush pending lines" · f5c9f9c7
      Linus Torvalds authored 
      This reverts commit bfd8d3f2.

It turns out that this flushes things much too aggressiverly, and causes
lines to break up when the system logger races with new continuation
lines being printed.

There's a pending patch to make printk() flushing much more
straightforward, but it's too invasive for 4.9, so in the meantime let's
just not make the system message logging flush continuation lines.
They'll be flushed by the final newline anyway.
Suggested-by: default avatarPetr Mladek <pmladek@suse.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      f5c9f9c7
    • Mauro Carvalho Chehab's avatar
      gp8psk-fe: add missing MODULE_foo() macros · b15efc38
      Mauro Carvalho Chehab authored 
      This file was converted to a separate module at commit 7a0786c1
("gp8psk: Fix DVB frontend attach"), because the DVB attach routines
require it to work.  However, I forgot to copy the MODULE_foo() macros
from the original module, causing this warning:

    WARNING: modpost: missing MODULE_LICENSE() in drivers/media/dvb-frontends/gp8psk-fe.o
Reported-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Fixes: 7a0786c1 ("gp8psk: Fix DVB frontend attach")
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      b15efc38
    • Linus Torvalds's avatar
      Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 8528d662
      Linus Torvalds authored 
      Pull x86 fixes from Ingo Molnar:
 "Misc fixes:

   - fix an Intel/MID boot crash/hang bug

   - fix a cache topology mis-parsing bug on certain AMD CPUs

   - fix a virtualization firmware bug by adding a check+quirk
     workaround on the kernel side"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu: Deal with broken firmware (VMWare/XEN)
  x86/cpu/AMD: Fix cpu_llc_id for AMD Fam17h systems
  x86/platform/intel-mid: Retrofit pci_platform_pm_ops ->get_state hook
      8528d662
    • Linus Torvalds's avatar
      Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 5d69561b
      Linus Torvalds authored 
      Pull irq fix from Ingo Molnar:
 "This fixes a genirq regression that resulted in the Intel/Broxton
  pinctrl/GPIO driver (and possibly others) spewing warnings"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Use irq type from irqdata instead of irqdesc
      5d69561b
    • Linus Torvalds's avatar
      Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 5ad62a9e
      Linus Torvalds authored 
      Pull perf fixes from Ingo Molnar:
 "An uncore PMU driver hardware enablement change for Intel SkyLake
  uncore PMUs (Skylake Y, U, H and S platforms), plus a number of
  tooling fixes for the histogram handling/displaying code"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/uncore: Add more Intel uncore IMC PCI IDs for SkyLake
  perf hists: Fix column length on --hierarchy
  perf hists browser: Fix column indentation on --hierarchy
  perf hists browser: Show folded sign properly on --hierarchy
  perf hists browser: Fix indentation of folded sign on --hierarchy
  perf hist browser: Fix hierarchy column counts
      5ad62a9e
    • Linus Torvalds's avatar
      Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 53381e2e
      Linus Torvalds authored 
      Pull EFI fixes from Ingo Molnar:
 "A boot crash fix and a build warning fix"

* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/efi: Prevent mixed mode boot corruption with CONFIG_VMAP_STACK=y
  x86/efi: Fix EFI memmap pointer size warning
      53381e2e
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