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When sending LQ command, verify the rate scaling is not in firmware.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Replace sprintf by scnprintf throughout rs code.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This patch adds basic debugfs hooks for rate scaling.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This patch sends to the FW notification configuration command and
handles the update responses.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This patch adds rate scaling configuration command and
implements a few other handlers.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This patch introduces a new instance of rate_control_ops for
the new API (adding only empty stubs here and the subsequent
patches in the series will fill in the implementation).
The decision which API to use is done during the register
step according to FW TLV.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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New devices will have rate scaling algorithm running in the firmware.
With this feature, the driver's responsiblity is to provide an initial
configuration and to handle notifications regarding recent rates and
some other parameters. Debugfs hooks will be still available for
reading the current rate/statistics and setting a fixed rate.
The old API is supported so far, though both APIs cannot be used
simultaneously.
This is the first patch in the series. It adds a new TLV specifying
FW support for the new API and updates lq_sta to support two types
of rate scaling.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We might erroneously get to error dumping code when the
device is already stopped.
In that case the driver will detect a defective value and will try to
reset the HW, assuming it is only a bus issue. The driver than
proceeds with the dumping.
The result has two side effects:
1. The device won't be stopped again, since the transport status is
already stopped, so the device remains powered on while it actually
should be stopped.
2. The dump in that case is completely garbaged and useless.
Detect and avoid this. It will also make debugging such issues
easier.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Since the removal of non-DQA code, we don't need the queues
variable any more. Remove it.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Load version 36 of the API for these devices, if available. We
skipped version 35.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add the WFA vendor specific TPC report IE to probe requests
when it is not added by the FW. The FW will still need to set
the tx power field.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
First batch of iwlwifi updates for v4.16
* Rename the temporary name A000 to 22000;
* Change in the way we print the firmware version;
* Remove some unused code;
* Other small improvements;
kvalo:
There were conflicts, I fixed them with taking into account commit c2c48ddfc8b0
("iwlwifi: fix firmware names for 9000 and A000 series hw"):
CONFLICT (content): Merge conflict in drivers/net/wireless/intel/iwlwifi/iwl-config.h
CONFLICT (modify/delete): drivers/net/wireless/intel/iwlwifi/cfg/a000.c deleted in ca495785063c428641cc6df8888afd2587ca6677 and modified in HEAD. Version HEAD of drivers/net/wireless/intel/iwlwifi/cfg/a000.c left in tree.
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This is not supported anymore, devices needing a MAC address
just assign one at random, it's just a driver pecularity.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David Miller says:
====================
net: Significantly shrink the size of routes.
Through a combination of several things, our route structures are
larger than they need to be.
Mostly this stems from having members in dst_entry which are only used
by one class of routes. So the majority of the work in this series is
about "un-commoning" these members and pushing them into the type
specific structures.
Unfortunately, IPSEC needed the most surgery. The majority of the
changes here had to do with bundle creation and management.
The other issue is the refcount alignment in dst_entry. Once we get
rid of the not-so-common members, it really opens the door to removing
that alignment entirely.
I think the new layout looks really nice, so I'll reproduce it here:
struct net_device *dev;
struct dst_ops *ops;
unsigned long _metrics;
unsigned long expires;
struct xfrm_state *xfrm;
int (*input)(struct sk_buff *);
int (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);
unsigned short flags;
short obsolete;
unsigned short header_len;
unsigned short trailer_len;
atomic_t __refcnt;
int __use;
unsigned long lastuse;
struct lwtunnel_state *lwtstate;
struct rcu_head rcu_head;
short error;
short __pad;
__u32 tclassid;
(This is for 64-bit, on 32-bit the __refcnt comes at the very end)
So, the good news:
1) struct dst_entry shrinks from 160 to 112 bytes.
2) struct rtable shrinks from 216 to 168 bytes.
3) struct rt6_info shrinks from 384 to 320 bytes.
Enjoy.
v2:
Collapse some patches logically based upon feedback.
Fix the strange patch #7.
v3: xfrm_dst_path() needs inline keyword
Properly align __refcnt on 32-bit.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are no more users.
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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While building ipsec bundles, blocks of xfrm dsts are linked together
using dst->next from bottom to the top.
The only thing this is used for is initializing the pmtu values of the
xfrm stack, and for updating the mtu values at xfrm_bundle_ok() time.
The bundle pmtu entries must be processed in this order so that pmtu
values lower in the stack of routes can propagate up to the higher
ones.
Avoid using dst->next by simply maintaining an array of dst pointers
as we already do for the xfrm_state objects when building the bundle.
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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We have padding to try and align the refcount on a separate cache
line. But after several simplifications the padding has increased
substantially.
So now it's easy to change the layout to get rid of the padding
entirely.
We group the write-heavy __refcnt and __use with less often used
items such as the rcu_head and the error code.
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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The first member of an IPSEC route bundle chain sets it's dst->path to
the underlying ipv4/ipv6 route that carries the bundle.
Stated another way, if one were to follow the xfrm_dst->child chain of
the bundle, the final non-NULL pointer would be the path and point to
either an ipv4 or an ipv6 route.
This is largely used to make sure that PMTU events propagate down to
the correct ipv4 or ipv6 route.
When we don't have the top of an IPSEC bundle 'dst->path == dst'.
Move it down into xfrm_dst and key off of dst->xfrm.
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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The dst->from value is only used by ipv6 routes to track where
a route "came from".
Any time we clone or copy a core ipv6 route in the ipv6 routing
tables, we have the copy/clone's ->from point to the base route.
This is used to handle route expiration properly.
Only ipv6 uses this mechanism, and only ipv6 code references
it. So it is safe to move it into rt6_info.
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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XFRM bundle child chains look like this:
xdst1 --> xdst2 --> xdst3 --> path_dst
All of xdstN are xfrm_dst objects and xdst->u.dst.xfrm is non-NULL.
The final child pointer in the chain, here called 'path_dst', is some
other kind of route such as an ipv4 or ipv6 one.
The xfrm output path pops routes, one at a time, via the child
pointer, until we hit one which has a dst->xfrm pointer which
is NULL.
We can easily preserve the above mechanisms with child sitting
only in the xfrm_dst structure. All children in the chain
before we break out of the xfrm_output() loop have dst->xfrm
non-NULL and are therefore xfrm_dst objects.
Since we break out of the loop when we find dst->xfrm NULL, we
will not try to dereference 'dst' as if it were an xfrm_dst.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This will make a future change moving the dst->child pointer less
invasive.
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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Only IPSEC routes have a non-NULL dst->child pointer. And IPSEC
routes are identified by a non-NULL dst->xfrm pointer.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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Delete it.
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
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In xmit, it is very impossible that TX_ERROR occurs. So using
unlikely optimizes the xmit process.
CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Joe Jin <joe.jin@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/atm/mpoa_* files use 'struct timeval' to store event
timestamps. struct timeval uses a 32-bit seconds field which will
overflow in the year 2038 and beyond. Morever, the timestamps are being
compared only to get seconds elapsed, so struct timeval which stores
a seconds and microseconds field is an overkill. This patch replaces
the use of struct timeval with time64_t to store a 64-bit seconds field.
Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are several statements that have incorrect indentation. Fix
these.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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timespec is deprecated because of the y2038 overflow, so let's convert
this one to ktime_get_ts64(). The code is already safe even on 32-bit
architectures, since it uses monotonic times. On 64-bit architectures,
nothing changes, while on 32-bit architectures this avoids one
type conversion.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netxen_collect_minidump() evidently just wants to get a monotonic
timestamp. Using jiffies_to_timespec(jiffies, &ts) is not
appropriate here, since it will overflow after 2^32 jiffies,
which may be as short as 49 days of uptime.
ktime_get_seconds() is the correct interface here.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously phy_id was u32 and phy_id_mask was unsigned int. As the
phy_id_mask defines the important bits of the phy_id (and is therefore
the same size) these two variables should be the same data type.
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No need to reinvent the wheel, we have bus_find_device_by_name().
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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on T81 there are only 4 cores, hence setting max queue count to 4
would leave nothing for XDP_TX. This patch fixes this by doubling
max queue count in above scenarios.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: cjacob <cjacob@caviumnetworks.com>
Signed-off-by: Aleksey Makarov <aleksey.makarov@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for XDP_REDIRECT. Flush is not
yet supported.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: cjacob <cjacob@caviumnetworks.com>
Signed-off-by: Aleksey Makarov <aleksey.makarov@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull nfsd fixes from Bruce Fields:
"I screwed up my merge window pull request; I only sent half of what I
meant to.
There were no new features, just bugfixes of various importance and
some very minor cleanup, so I think it's all still appropriate for
-rc2.
Highlights:
- Fixes from Trond for some races in the NFSv4 state code.
- Fix from Naofumi Honda for a typo in the blocked lock notificiation
code
- Fixes from Vasily Averin for some problems starting and stopping
lockd especially in network namespaces"
* tag 'nfsd-4.15-1' of git://linux-nfs.org/~bfields/linux: (23 commits)
lockd: fix "list_add double add" caused by legacy signal interface
nlm_shutdown_hosts_net() cleanup
race of nfsd inetaddr notifiers vs nn->nfsd_serv change
race of lockd inetaddr notifiers vs nlmsvc_rqst change
SUNRPC: make cache_detail structures const
NFSD: make cache_detail structures const
sunrpc: make the function arg as const
nfsd: check for use of the closed special stateid
nfsd: fix panic in posix_unblock_lock called from nfs4_laundromat
lockd: lost rollback of set_grace_period() in lockd_down_net()
lockd: added cleanup checks in exit_net hook
grace: replace BUG_ON by WARN_ONCE in exit_net hook
nfsd: fix locking validator warning on nfs4_ol_stateid->st_mutex class
lockd: remove net pointer from messages
nfsd: remove net pointer from debug messages
nfsd: Fix races with check_stateid_generation()
nfsd: Ensure we check stateid validity in the seqid operation checks
nfsd: Fix race in lock stateid creation
nfsd4: move find_lock_stateid
nfsd: Ensure we don't recognise lock stateids after freeing them
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"We've collected some fixes in since the pre-merge window freeze.
There's technically only one regression fix for 4.15, but the rest
seems important and candidates for stable.
- fix missing flush bio puts in error cases (is serious, but rarely
happens)
- fix reporting stat::st_blocks for buffered append writes
- fix space cache invalidation
- fix out of bound memory access when setting zlib level
- fix potential memory corruption when fsync fails in the middle
- fix crash in integrity checker
- incremetnal send fix, path mixup for certain unlink/rename
combination
- pass flags to writeback so compressed writes can be throttled
properly
- error handling fixes"
* tag 'for-4.15-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Btrfs: incremental send, fix wrong unlink path after renaming file
btrfs: tree-checker: Fix false panic for sanity test
Btrfs: fix list_add corruption and soft lockups in fsync
btrfs: Fix wild memory access in compression level parser
btrfs: fix deadlock when writing out space cache
btrfs: clear space cache inode generation always
Btrfs: fix reported number of inode blocks after buffered append writes
Btrfs: move definition of the function btrfs_find_new_delalloc_bytes
Btrfs: bail out gracefully rather than BUG_ON
btrfs: dev_alloc_list is not protected by RCU, use normal list_del
btrfs: add missing device::flush_bio puts
btrfs: Fix transaction abort during failure in btrfs_rm_dev_item
Btrfs: add write_flags for compression bio
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Pull Microblaze fix from Michal Simek:
"Add missing header to mmu_context_mm.h"
* tag 'microblaze-4.15-rc2' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: add missing include to mmu_context_mm.h
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Pull sparc fix from David Miller:
"Sparc T4 and later cpu bootup regression fix"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix boot on T4 and later.
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Pull networking fixes from David Miller:
1) The forcedeth conversion from pci_*() DMA interfaces to dma_*() ones
missed one spot. From Zhu Yanjun.
2) Missing CRYPTO_SHA256 Kconfig dep in cfg80211, from Johannes Berg.
3) Fix checksum offloading in thunderx driver, from Sunil Goutham.
4) Add SPDX to vm_sockets_diag.h, from Stephen Hemminger.
5) Fix use after free of packet headers in TIPC, from Jon Maloy.
6) "sizeof(ptr)" vs "sizeof(*ptr)" bug in i40e, from Gustavo A R Silva.
7) Tunneling fixes in mlxsw driver, from Petr Machata.
8) Fix crash in fanout_demux_rollover() of AF_PACKET, from Mike
Maloney.
9) Fix race in AF_PACKET bind() vs. NETDEV_UP notifier, from Eric
Dumazet.
10) Fix regression in sch_sfq.c due to one of the timer_setup()
conversions. From Paolo Abeni.
11) SCTP does list_for_each_entry() using wrong struct member, fix from
Xin Long.
12) Don't use big endian netlink attribute read for
IFLA_BOND_AD_ACTOR_SYSTEM, it is in cpu endianness. Also from Xin
Long.
13) Fix mis-initialization of q->link.clock in CBQ scheduler, preventing
adding filters there. From Jiri Pirko.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (67 commits)
ethernet: dwmac-stm32: Fix copyright
net: via: via-rhine: use %p to format void * address instead of %x
net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit
myri10ge: Update MAINTAINERS
net: sched: cbq: create block for q->link.block
atm: suni: remove extraneous space to fix indentation
atm: lanai: use %p to format kernel addresses instead of %x
VSOCK: Don't set sk_state to TCP_CLOSE before testing it
atm: fore200e: use %pK to format kernel addresses instead of %x
ambassador: fix incorrect indentation of assignment statement
vxlan: use __be32 type for the param vni in __vxlan_fdb_delete
bonding: use nla_get_u64 to extract the value for IFLA_BOND_AD_ACTOR_SYSTEM
sctp: use right member as the param of list_for_each_entry
sch_sfq: fix null pointer dereference at timer expiration
cls_bpf: don't decrement net's refcount when offload fails
net/packet: fix a race in packet_bind() and packet_notifier()
packet: fix crash in fanout_demux_rollover()
sctp: remove extern from stream sched
sctp: force the params with right types for sctp csum apis
sctp: force SCTP_ERROR_INV_STRM with __u32 when calling sctp_chunk_fail
...
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If we don't put the NG4fls.o object into the same part of
the link as the generic sparc64 objects for fls() and __fls()
then the relocation in the branch we use for patching will
not fit.
Move NG4fls.o into lib-y to fix this problem.
Fixes: 46ad8d2d22c1 ("sparc64: Use sparc optimized fls and __fls for T4 and above")
Signed-off-by: David S. Miller <davem@davemloft.net>
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Tested-by: Anatoly Pugachev <matorola@gmail.com>
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Instead, just fall back on the new '%p' behavior which hashes the
pointer.
Otherwise, '%pK' - that was intended to mark a pointer as restricted -
just ends up leaking pointers that a normal '%p' wouldn't leak. Which
just make the whole thing pointless.
I suspect we should actually get rid of '%pK' entirely, and make it just
work as '%p' regardless, but this is the minimal obvious fix. People
who actually use 'kptr_restrict' should weigh in on which behavior they
want.
Cc: Tobin Harding <me@tobin.cc>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The conditional kallsym hex printing used a special fixed-width '%lx'
output (KALLSYM_FMT) in preparation for the hashing of %p, but that
series ended up adding a %px specifier to help with the conversions.
Use it, and avoid the "print pointer as an unsigned long" code.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull printk pointer hashing update from Tobin Harding:
"Here is the patch set that implements hashing of printk specifier %p.
First we have two clean up patches then we do the hashing. Hashing is
done via the SipHash algorithm. The next patch adds printk specifier
%px for printing pointers when we _really_ want to see the address i.e
%px is functionally equivalent to %lx. Final patch in the set fixes
KASAN since we break it by hashing %p.
For the record here is the justification for the series:
Currently there exist approximately 14 000 places in the Kernel
where addresses are being printed using an unadorned %p. This
potentially leaks sensitive information about the Kernel layout in
memory. Many of these calls are stale, instead of fixing every call
we hash the address by default before printing. We then add %px to
provide a way to print the actual address. Although this is
achievable using %lx, using %px will assist us if we ever want to
change pointer printing behaviour. %px is more uniquely grep'able
(there are already >50 000 uses of %lx).
The added advantage of hashing %p is that security is now opt-out,
if you _really_ want the address you have to work a little harder
and use %px.
This will of course break some users, forcing code printing needed
addresses to be updated"
[ I do expect this to be an annoyance, and a number of %px users to be
added for debuggability. But nobody is willing to audit existing %p
users for information leaks, and a number of places really only use
the pointer as an object identifier rather than really 'I need the
address'.
IOW - sorry for the inconvenience, but it's the least inconvenient of
the options. - Linus ]
* tag 'printk-hash-pointer-4.15-rc2' of git://github.com/tcharding/linux:
kasan: use %px to print addresses instead of %p
vsprintf: add printk specifier %px
printk: hash addresses printed with %p
vsprintf: refactor %pK code out of pointer()
docs: correct documentation for %pK
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This reverts commit 152e93af3cfe2d29d8136cc0a02a8612507136ee.
It was a nice cleanup in theory, but as Nicolai Stange points out, we do
need to make the page dirty for the copy-on-write case even when we
didn't end up making it writable, since the dirty bit is what we use to
check that we've gone through a COW cycle.
Reported-by: Michal Hocko <mhocko@kernel.org>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Uniformize STMicroelectronics copyrights header
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
CC: Alexandre Torgue <alexandre.torgue@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't use %x and casting to print out an address, instead use %p
and remove the casting. Cleans up smatch warnings:
drivers/net/ethernet/via/via-rhine.c:998 rhine_init_one_common()
warn: argument 4 to %lx specifier is cast from pointer
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On 64-bit (e.g. powerpc64/allmodconfig):
drivers/net/ethernet/xilinx/ll_temac_main.c: In function 'temac_start_xmit_done':
drivers/net/ethernet/xilinx/ll_temac_main.c:633:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
dev_kfree_skb_irq((struct sk_buff *)cur_p->app4);
^
cdmac_bd.app4 is u32, so it is too small to hold a kernel pointer.
Note that several other fields in struct cdmac_bd are also too small to
hold physical addresses on 64-bit platforms.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the maintainer to Chris Lee who has access to Myricom hardware
and can test/review. Update the website URL.
Signed-off-by: Hyong-Youb Kim <hykim@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pointers printed with %p are now hashed by default. Kasan needs the
actual address. We can use the new printk specifier %px for this
purpose.
Use %px instead of %p to print addresses.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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printk specifier %p now hashes all addresses before printing. Sometimes
we need to see the actual unmodified address. This can be achieved using
%lx but then we face the risk that if in future we want to change the
way the Kernel handles printing of pointers we will have to grep through
the already existent 50 000 %lx call sites. Let's add specifier %px as a
clear, opt-in, way to print a pointer and maintain some level of
isolation from all the other hex integer output within the Kernel.
Add printk specifier %px to print the actual unmodified address.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
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