Commit Graph

1265793 Commits

Author SHA1 Message Date
Alex Hung
2cc69a10d8 drm/amd/display: Return max resolution supported by DWB
mode_config's max width x height is 4096x2160 and is higher than DWB's
max resolution 3840x2160 which is returned instead.

Cc: stable@vger.kernel.org
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:30:19 -04:00
Zhigang Luo
d06af584be amd/amdkfd: sync all devices to wait all processes being evicted
If there are more than one device doing reset in parallel, the first
device will call kfd_suspend_all_processes() to evict all processes
on all devices, this call takes time to finish. other device will
start reset and recover without waiting. if the process has not been
evicted before doing recover, it will be restored, then caused page
fault.

Signed-off-by: Zhigang Luo <Zhigang.Luo@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:28:30 -04:00
ZhenGuo Yin
e33997e18d drm/amdgpu: clear set_q_mode_offs when VM changed
[Why]
set_q_mode_offs don't get cleared after GPU reset, nexting SET_Q_MODE
packet to init shadow memory will be skiped, hence there has a page fault.

[How]
VM flush is needed after GPU reset, clear set_q_mode_offs when
emitting VM flush.

Fixes: 8bc75586ea ("drm/amdgpu: workaround to avoid SET_Q_MODE packets v2")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: ZhenGuo Yin <zhenguo.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-04-09 23:27:58 -04:00
Lijo Lazar
f7e232de51 drm/amdgpu: Fix VCN allocation in CPX partition
VCN need not be shared in CPX mode always for all GFX 9.4.3 SOC SKUs. In
certain configs, VCN instance can be exclusively allocated to a
partition even under CPX mode.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:27:23 -04:00
Kenneth Feng
3818708e9c drm/amd/pm: fix the high voltage issue after unload
fix the high voltage issue after unload on smu 13.0.10

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:26:32 -04:00
Alex Hung
ecedd99a93 drm/amd/display: Skip on writeback when it's not applicable
[WHY]
dynamic memory safety error detector (KASAN) catches and generates error
messages "BUG: KASAN: slab-out-of-bounds" as writeback connector does not
support certain features which are not initialized.

[HOW]
Skip them when connector type is DRM_MODE_CONNECTOR_WRITEBACK.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3199
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:21:05 -04:00
Tao Zhou
f886b49fea drm/amdgpu: implement IRQ_STATE_ENABLE for SDMA v4.4.2
SDMA_CNTL is not set in some cases, driver configures it by itself.

v2: simplify code

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:16:51 -04:00
Yifan Zhang
533eefb9be drm/amdgpu: add smu 14.0.1 discovery support
This patch to add smu 14.0.1 support

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:15:05 -04:00
lima1002
c5b1ccff26 drm/amd/swsmu: Update smu v14.0.0 headers to be 14.0.1 compatible
update ppsmc.h pmfw.h and driver_if.h for smu v14_0_1

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: lima1002 <li.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:14:56 -04:00
shaoyunl
5b0cd091d9 drm/amdgpu : Increase the mes log buffer size as per new MES FW version
From MES version 0x54, the log entry increased and require the log buffer
size to be increased. The 16k is maximum size agreed

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:14:40 -04:00
shaoyunl
a3a4c0b123 drm/amdgpu : Add mes_log_enable to control mes log feature
The MES log might slow down the performance for extra step of log the data,
disable it by default and introduce a parameter can enable it when necessary

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:14:18 -04:00
Tim Huang
31729e8c21 drm/amd/pm: fixes a random hang in S4 for SMU v13.0.4/11
While doing multiple S4 stress tests, GC/RLC/PMFW get into
an invalid state resulting into hard hangs.

Adding a GFX reset as workaround just before sending the
MP1_UNLOAD message avoids this failure.

Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:13:43 -04:00
Li Ma
d4396924c3 drm/amd/display: add DCN 351 version for microcode load
There is a new DCN veriosn 3.5.1 need to load

Signed-off-by: Li Ma <li.ma@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:13:07 -04:00
Lijo Lazar
8b2be55f4d drm/amdgpu: Reset dGPU if suspend got aborted
For SOC21 ASICs, there is an issue in re-enabling PM features if a
suspend got aborted. In such cases, reset the device during resume
phase. This is a workaround till a proper solution is finalized.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-04-09 23:12:44 -04:00
Lang Yu
0f1bbcc2ba drm/amdgpu/umsch: reinitialize write pointer in hw init
Otherwise the old one will be used during GPU reset.
That's not expected.

Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-04-09 23:12:20 -04:00
Lijo Lazar
4b18a91faf drm/amdgpu: Refine IB schedule error logging
Downgrade to debug information when IBs are skipped. Also, use dev_* to
identify the device.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 23:11:59 -04:00
Alex Deucher
65ff8092e4 drm/amdgpu: always force full reset for SOC21
There are cases where soft reset seems to succeed, but
does not, so always use mode1/2 for now.

Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-04-09 23:10:06 -04:00
Harish Kasiviswanathan
8bdfb4ea95 drm/amdkfd: Reset GPU on queue preemption failure
Currently, with F32 HWS GPU reset is only when unmap queue fails.

However, if compute queue doesn't repond to preemption request in time
unmap will return without any error. In this case, only preemption error
is logged and Reset is not triggered. Call GPU reset in this case also.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-04-09 23:09:31 -04:00
Jiri Benc
7633c4da91 ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
Although ipv6_get_ifaddr walks inet6_addr_lst under the RCU lock, it
still means hlist_for_each_entry_rcu can return an item that got removed
from the list. The memory itself of such item is not freed thanks to RCU
but nothing guarantees the actual content of the memory is sane.

In particular, the reference count can be zero. This can happen if
ipv6_del_addr is called in parallel. ipv6_del_addr removes the entry
from inet6_addr_lst (hlist_del_init_rcu(&ifp->addr_lst)) and drops all
references (__in6_ifa_put(ifp) + in6_ifa_put(ifp)). With bad enough
timing, this can happen:

1. In ipv6_get_ifaddr, hlist_for_each_entry_rcu returns an entry.

2. Then, the whole ipv6_del_addr is executed for the given entry. The
   reference count drops to zero and kfree_rcu is scheduled.

3. ipv6_get_ifaddr continues and tries to increments the reference count
   (in6_ifa_hold).

4. The rcu is unlocked and the entry is freed.

5. The freed entry is returned.

Prevent increasing of the reference count in such case. The name
in6_ifa_hold_safe is chosen to mimic the existing fib6_info_hold_safe.

[   41.506330] refcount_t: addition on 0; use-after-free.
[   41.506760] WARNING: CPU: 0 PID: 595 at lib/refcount.c:25 refcount_warn_saturate+0xa5/0x130
[   41.507413] Modules linked in: veth bridge stp llc
[   41.507821] CPU: 0 PID: 595 Comm: python3 Not tainted 6.9.0-rc2.main-00208-g49563be82afa #14
[   41.508479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
[   41.509163] RIP: 0010:refcount_warn_saturate+0xa5/0x130
[   41.509586] Code: ad ff 90 0f 0b 90 90 c3 cc cc cc cc 80 3d c0 30 ad 01 00 75 a0 c6 05 b7 30 ad 01 01 90 48 c7 c7 38 cc 7a 8c e8 cc 18 ad ff 90 <0f> 0b 90 90 c3 cc cc cc cc 80 3d 98 30 ad 01 00 0f 85 75 ff ff ff
[   41.510956] RSP: 0018:ffffbda3c026baf0 EFLAGS: 00010282
[   41.511368] RAX: 0000000000000000 RBX: ffff9e9c46914800 RCX: 0000000000000000
[   41.511910] RDX: ffff9e9c7ec29c00 RSI: ffff9e9c7ec1c900 RDI: ffff9e9c7ec1c900
[   41.512445] RBP: ffff9e9c43660c9c R08: 0000000000009ffb R09: 00000000ffffdfff
[   41.512998] R10: 00000000ffffdfff R11: ffffffff8ca58a40 R12: ffff9e9c4339a000
[   41.513534] R13: 0000000000000001 R14: ffff9e9c438a0000 R15: ffffbda3c026bb48
[   41.514086] FS:  00007fbc4cda1740(0000) GS:ffff9e9c7ec00000(0000) knlGS:0000000000000000
[   41.514726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.515176] CR2: 000056233b337d88 CR3: 000000000376e006 CR4: 0000000000370ef0
[   41.515713] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.516252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.516799] Call Trace:
[   41.517037]  <TASK>
[   41.517249]  ? __warn+0x7b/0x120
[   41.517535]  ? refcount_warn_saturate+0xa5/0x130
[   41.517923]  ? report_bug+0x164/0x190
[   41.518240]  ? handle_bug+0x3d/0x70
[   41.518541]  ? exc_invalid_op+0x17/0x70
[   41.520972]  ? asm_exc_invalid_op+0x1a/0x20
[   41.521325]  ? refcount_warn_saturate+0xa5/0x130
[   41.521708]  ipv6_get_ifaddr+0xda/0xe0
[   41.522035]  inet6_rtm_getaddr+0x342/0x3f0
[   41.522376]  ? __pfx_inet6_rtm_getaddr+0x10/0x10
[   41.522758]  rtnetlink_rcv_msg+0x334/0x3d0
[   41.523102]  ? netlink_unicast+0x30f/0x390
[   41.523445]  ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[   41.523832]  netlink_rcv_skb+0x53/0x100
[   41.524157]  netlink_unicast+0x23b/0x390
[   41.524484]  netlink_sendmsg+0x1f2/0x440
[   41.524826]  __sys_sendto+0x1d8/0x1f0
[   41.525145]  __x64_sys_sendto+0x1f/0x30
[   41.525467]  do_syscall_64+0xa5/0x1b0
[   41.525794]  entry_SYSCALL_64_after_hwframe+0x72/0x7a
[   41.526213] RIP: 0033:0x7fbc4cfcea9a
[   41.526528] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[   41.527942] RSP: 002b:00007ffcf54012a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   41.528593] RAX: ffffffffffffffda RBX: 00007ffcf5401368 RCX: 00007fbc4cfcea9a
[   41.529173] RDX: 000000000000002c RSI: 00007fbc4b9d9bd0 RDI: 0000000000000005
[   41.529786] RBP: 00007fbc4bafb040 R08: 00007ffcf54013e0 R09: 000000000000000c
[   41.530375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   41.530977] R13: ffffffffc4653600 R14: 0000000000000001 R15: 00007fbc4ca85d1b
[   41.531573]  </TASK>

Fixes: 5c578aedcb ("IPv6: convert addrconf hash list to RCU")
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Link: https://lore.kernel.org/r/8ab821e36073a4a406c50ec83c9e8dc586c539e4.1712585809.git.jbenc@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-09 17:09:05 -07:00
Jakub Kicinski
7b6575c63f Merge branch 'net-start-to-replace-copy_from_sockptr'
Eric Dumazet says:

====================
net: start to replace copy_from_sockptr()

We got several syzbot reports about unsafe copy_from_sockptr()
calls. After fixing some of them, it appears that we could
use a new helper to factorize all the checks in one place.

This series targets net tree, we can later start converting
many call sites in net-next.
====================

Link: https://lore.kernel.org/r/20240408082845.3957374-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-09 17:01:03 -07:00
Eric Dumazet
7a87441c96 nfc: llcp: fix nfc_llcp_setsockopt() unsafe copies
syzbot reported unsafe calls to copy_from_sockptr() [1]

Use copy_safe_from_sockptr() instead.

[1]

BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
 BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
 BUG: KASAN: slab-out-of-bounds in nfc_llcp_setsockopt+0x6c2/0x850 net/nfc/llcp_sock.c:255
Read of size 4 at addr ffff88801caa1ec3 by task syz-executor459/5078

CPU: 0 PID: 5078 Comm: syz-executor459 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
  __dump_stack lib/dump_stack.c:88 [inline]
  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
  print_address_description mm/kasan/report.c:377 [inline]
  print_report+0x169/0x550 mm/kasan/report.c:488
  kasan_report+0x143/0x180 mm/kasan/report.c:601
  copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
  copy_from_sockptr include/linux/sockptr.h:55 [inline]
  nfc_llcp_setsockopt+0x6c2/0x850 net/nfc/llcp_sock.c:255
  do_sock_setsockopt+0x3b1/0x720 net/socket.c:2311
  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334
  __do_sys_setsockopt net/socket.c:2343 [inline]
  __se_sys_setsockopt net/socket.c:2340 [inline]
  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
 do_syscall_64+0xfd/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f7fac07fd89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff660eb788 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7fac07fd89
RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000020000a80 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240408082845.3957374-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-09 17:01:01 -07:00
Eric Dumazet
138b787804 mISDN: fix MISDN_TIME_STAMP handling
syzbot reports one unsafe call to copy_from_sockptr() [1]

Use copy_safe_from_sockptr() instead.

[1]

 BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
 BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
 BUG: KASAN: slab-out-of-bounds in data_sock_setsockopt+0x46c/0x4cc drivers/isdn/mISDN/socket.c:417
Read of size 4 at addr ffff0000c6d54083 by task syz-executor406/6167

CPU: 1 PID: 6167 Comm: syz-executor406 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call trace:
  dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291
  show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298
  __dump_stack lib/dump_stack.c:88 [inline]
  dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
  print_address_description mm/kasan/report.c:377 [inline]
  print_report+0x178/0x518 mm/kasan/report.c:488
  kasan_report+0xd8/0x138 mm/kasan/report.c:601
  __asan_report_load_n_noabort+0x1c/0x28 mm/kasan/report_generic.c:391
  copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
  copy_from_sockptr include/linux/sockptr.h:55 [inline]
  data_sock_setsockopt+0x46c/0x4cc drivers/isdn/mISDN/socket.c:417
  do_sock_setsockopt+0x2a0/0x4e0 net/socket.c:2311
  __sys_setsockopt+0x128/0x1a8 net/socket.c:2334
  __do_sys_setsockopt net/socket.c:2343 [inline]
  __se_sys_setsockopt net/socket.c:2340 [inline]
  __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2340
  __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
  invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
  el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
  do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
  el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
  el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
  el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Fixes: 1b2b03f8e5 ("Add mISDN core files")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Link: https://lore.kernel.org/r/20240408082845.3957374-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-09 17:01:01 -07:00
Eric Dumazet
6309863b31 net: add copy_safe_from_sockptr() helper
copy_from_sockptr() helper is unsafe, unless callers
did the prior check against user provided optlen.

Too many callers get this wrong, lets add a helper to
fix them and avoid future copy/paste bugs.

Instead of :

   if (optlen < sizeof(opt)) {
       err = -EINVAL;
       break;
   }
   if (copy_from_sockptr(&opt, optval, sizeof(opt)) {
       err = -EFAULT;
       break;
   }

Use :

   err = copy_safe_from_sockptr(&opt, sizeof(opt),
                                optval, optlen);
   if (err)
       break;

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240408082845.3957374-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-09 17:00:16 -07:00
Kent Overstreet
9b31152fd7 bcachefs: btree_node_scan: Respect member.data_allowed
If a device wasn't used for btree nodes, no need to scan for them.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-04-09 18:54:46 -04:00
Thorsten Blum
60b703c71f zonefs: Use str_plural() to fix Coccinelle warning
Fixes the following Coccinelle/coccicheck warning reported by
string_choices.cocci:

	opportunity for str_plural(zgroup->g_nr_zones)

Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
2024-04-10 07:23:47 +09:00
Haiyue Wang
ff81dade48 io-uring: correct typo in comment for IOU_F_TWQ_LAZY_WAKE
The 'r' key is near to 't' key, that makes 'with' to be 'wirh' ? :)

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Link: https://lore.kernel.org/r/20240409173531.846714-1-haiyue.wang@intel.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-04-09 15:00:35 -06:00
Justin Ernst
60add818ab tools/power/turbostat: Fix uncore frequency file string
Running turbostat on a 16 socket HPE Scale-up Compute 3200 (SapphireRapids) fails with:
turbostat: /sys/devices/system/cpu/intel_uncore_frequency/package_010_die_00/current_freq_khz: open failed: No such file or directory

We observe the sysfs uncore frequency directories named:
...
package_09_die_00/
package_10_die_00/
package_11_die_00/
...
package_15_die_00/

The culprit is an incorrect sprintf format string "package_0%d_die_0%d" used
with each instance of reading uncore frequency files. uncore-frequency-common.c
creates the sysfs directory with the format "package_%02d_die_%02d". Once the
package value reaches double digits, the formats diverge.

Change each instance of "package_0%d_die_0%d" to "package_%02d_die_%02d".

[lenb: deleted the probe part of this patch, as it was already fixed]

Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Reviewed-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
2024-04-09 14:04:23 -04:00
Zhang Rui
de39d38c06 tools/power/turbostat: Unify graphics sysfs snapshots
Graphics sysfs snapshots share similar logic.
Combine them into one function to avoid code duplication.

No functional change.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2024-04-09 14:04:23 -04:00
Zhang Rui
4e2bbbf78c tools/power/turbostat: Cache graphics sysfs path
Graphics drivers (i915/Xe) have different sysfs knobs on different
platforms, and it is possible that different sysfs knobs fit into the
same turbostat columns.

Instead of specifying different sysfs knobs every time, detect them
once and cache the path for future use.

No functional change.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2024-04-09 14:04:23 -04:00
Zhang Rui
bb5db22c13 tools/power/turbostat: Enable MSR_CORE_C1_RES support for ICX
Enable Core C1 hardware residency counter (MSR_CORE_C1_RES) on ICX.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2024-04-09 14:04:23 -04:00
Patryk Wlazlyn
17d1ea136b tools/power turbostat: Add selftests
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2024-04-09 14:04:23 -04:00
Patryk Wlazlyn
05a2f07db8 tools/power turbostat: read RAPL counters via perf
Some of the future Intel platforms will require reading the RAPL
counters via perf and not MSR. On current platforms we can still read
them using both ways.

Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2024-04-09 14:04:05 -04:00
Zack Rusin
4c08f01934 drm/vmwgfx: Enable DMA mappings with SEV
Enable DMA mappings in vmwgfx after TTM has been fixed in commit
3bf3710e37 ("drm/ttm: Add a generic TTM memcpy move for page-based iomem")

This enables full guest-backed memory support and in particular allows
usage of screen targets as the presentation mechanism.

Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Reported-by: Ye Li <ye.li@broadcom.com>
Tested-by: Ye Li <ye.li@broadcom.com>
Fixes: 3b0d6458c7 ("drm/vmwgfx: Refuse DMA operation when SEV encryption is active")
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v6.6+
Reviewed-by: Martin Krastev <martin.krastev@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240408022802.358641-1-zack.rusin@broadcom.com
2024-04-09 13:36:05 -04:00
Linus Torvalds
2c71fdf02a drm nouveau fix for 6.9-rc4
nouveau:
 - regression fix for GSP display enable.
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Merge tag 'drm-fixes-2024-04-09' of https://gitlab.freedesktop.org/drm/kernel

Pull drm nouveau fix from Dave Airlie:
 "A previous fix to nouveau devinit on the GSP paths fixed the Turing
  but broke Ampere, I did some more digging and found the proper fix.
  Sending it early as I want to make sure it makes the next 6.8 stable
  kernels to fix the regression.

  Regular fixes will be at end of week as usual.

  nouveau:

   - regression fix for GSP display enable"

* tag 'drm-fixes-2024-04-09' of https://gitlab.freedesktop.org/drm/kernel:
  nouveau: fix devinit paths to only handle display on GSP.
2024-04-09 09:24:37 -07:00
Thorsten Blum
d7a62d0a9a compiler.h: Add missing quote in macro comment
Add a missing doublequote in the __is_constexpr() macro comment.

Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-04-09 09:06:50 -07:00
Oleg Nesterov
6d029c25b7 selftests/timers/posix_timers: Reimplement check_timer_distribution()
check_timer_distribution() runs ten threads in a busy loop and tries to
test that the kernel distributes a process posix CPU timer signal to every
thread over time.

There is not guarantee that this is true even after commit bcb7ee7902
("posix-timers: Prefer delivery of signals to the current thread") because
that commit only avoids waking up the sleeping process leader thread, but
that has nothing to do with the actual signal delivery.

As the signal is process wide the first thread which observes sigpending
and wins the race to lock sighand will deliver the signal. Testing shows
that this hangs on a regular base because some threads never win the race.

The comment "This primarily tests that the kernel does not favour any one."
is wrong. The kernel does favour a thread which hits the timer interrupt
when CLOCK_PROCESS_CPUTIME_ID expires.

Rewrite the test so it only checks that the group leader sleeping in join()
never receives SIGALRM and the thread which burns CPU cycles receives all
signals.

In older kernels which do not have commit bcb7ee7902 ("posix-timers:
Prefer delivery of signals to the current thread") the test-case fails
immediately, the very 1st tick wakes the leader up. Otherwise it quickly
succeeds after 100 ticks.

CI testing wants to use newer selftest versions on stable kernels. In this
case the test is guaranteed to fail.

So check in the failure case whether the kernel version is less than v6.3
and skip the test result in that case.

[ tglx: Massaged change log, renamed the version check helper ]

Fixes: e797203fb3 ("selftests/timers/posix_timers: Test delivery of signals across threads")
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240409133802.GD29396@redhat.com
2024-04-09 17:48:19 +02:00
Krzysztof Kozlowski
011d79ef1c MAINTAINERS: Change Krzysztof Kozlowski's email address
Switch Krzysztof Kozlowski's to @kernel.org account.

Link: https://lore.kernel.org/r/20240329174823.74918-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-09 17:06:51 +02:00
Jiaxun Yang
4370b673cc MIPS: scall: Save thread_info.syscall unconditionally on entry
thread_info.syscall is used by syscall_get_nr to supply syscall nr
over a thread stack frame.

Previously, thread_info.syscall is only saved at syscall_trace_enter
when syscall tracing is enabled. However rest of the kernel code do
expect syscall_get_nr to be available without syscall tracing. The
previous design breaks collect_syscall.

Move saving process to syscall entry to fix it.

Reported-by: Xi Ruoyao <xry111@xry111.site>
Link: https://github.com/util-linux/util-linux/issues/2867
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2024-04-09 16:52:21 +02:00
Masami Hiramatsu
c722cea208 fs/proc: Skip bootloader comment if no embedded kernel parameters
If the "bootconfig" kernel command-line argument was specified or if
the kernel was built with CONFIG_BOOT_CONFIG_FORCE, but if there are
no embedded kernel parameter, omit the "# Parameters from bootloader:"
comment from the /proc/bootconfig file.  This will cause automation
to fall back to the /proc/cmdline file, which will be identical to the
comment in this no-embedded-kernel-parameters case.

Link: https://lore.kernel.org/all/20240409044358.1156477-2-paulmck@kernel.org/

Fixes: 8b8ce6c75430 ("fs/proc: remove redundant comments from /proc/bootconfig")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: stable@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
2024-04-09 23:36:18 +09:00
Zhenhua Huang
fbbdc255fb fs/proc: remove redundant comments from /proc/bootconfig
commit 717c7c894d ("fs/proc: Add boot loader arguments as comment to
/proc/bootconfig") adds bootloader argument comments into /proc/bootconfig.

/proc/bootconfig shows boot_command_line[] multiple times following
every xbc key value pair, that's duplicated and not necessary.
Remove redundant ones.

Output before and after the fix is like:
key1 = value1
*bootloader argument comments*
key2 = value2
*bootloader argument comments*
key3 = value3
*bootloader argument comments*
...

key1 = value1
key2 = value2
key3 = value3
*bootloader argument comments*
...

Link: https://lore.kernel.org/all/20240409044358.1156477-1-paulmck@kernel.org/

Fixes: 717c7c894d ("fs/proc: Add boot loader arguments as comment to /proc/bootconfig")
Signed-off-by: Zhenhua Huang <quic_zhenhuah@quicinc.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: <linux-trace-kernel@vger.kernel.org>
Cc: <linux-fsdevel@vger.kernel.org>
Cc: stable@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
2024-04-09 23:31:54 +09:00
Arnd Bergmann
01a71af381 RISC-V SoC driver fixes for v6.9-rc3
A fix for the ccache driver which no longer probed after the PLIC driver
 was converted to a platform driver. The JH7100 SoC depends on this
 driver to provide cache management ops that must be registered with an
 arch_initcall, so the ccache driver is partly converted to a platform
 driver, registering only the cache management ops with the initcall and
 the debug/edac register provision features of the driver as a platform
 driver.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-soc-fixes-for-v6.9-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes

RISC-V SoC driver fixes for v6.9-rc3

A fix for the ccache driver which no longer probed after the PLIC driver
was converted to a platform driver. The JH7100 SoC depends on this
driver to provide cache management ops that must be registered with an
arch_initcall, so the ccache driver is partly converted to a platform
driver, registering only the cache management ops with the initcall and
the debug/edac register provision features of the driver as a platform
driver.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-soc-fixes-for-v6.9-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  cache: sifive_ccache: Partially convert to a platform driver

Link: https://lore.kernel.org/r/20240406-botch-disband-efc69b8236be@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-09 16:30:25 +02:00
Arnd Bergmann
e349017a7b Arm FF-A fix for v6.9
A single fix to address the incorrect check of VM ID count for the
 global notification in the response received for FFA_NOTIFICATION_INFO_GET()
 in the schedule receiver interrupt handler.
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Merge tag 'ffa-fix-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes

Arm FF-A fix for v6.9

A single fix to address the incorrect check of VM ID count for the
global notification in the response received for FFA_NOTIFICATION_INFO_GET()
in the schedule receiver interrupt handler.

* tag 'ffa-fix-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_ffa: Fix the partition ID check in ffa_notification_info_get()

Link: https://lore.kernel.org/r/20240404140339.450509-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-09 16:29:48 +02:00
Arnd Bergmann
64c80c99ed Arm SCMI fixes for v6.9
Couple of fixes to address wrong fastchannel initialization in powercap
 protocol and disable seeking support for SCMI raw debugfs entries.
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Merge tag 'scmi-fixes-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes

Arm SCMI fixes for v6.9

Couple of fixes to address wrong fastchannel initialization in powercap
protocol and disable seeking support for SCMI raw debugfs entries.

* tag 'scmi-fixes-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_scmi: Make raw debugfs entries non-seekable
  firmware: arm_scmi: Fix wrong fastchannel initialization

Link: https://lore.kernel.org/r/20240404140306.450330-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-09 16:22:19 +02:00
Arnd Bergmann
7d177ae114 i.MX fixes for 6.9:
- A couple of i.MX7 board fixes from Fabio Estevam that use correct
   'no-mmc' property and pass 'link-frequencies' for OV2680.
 - A series from Frank Li to fix LPCG clock indices for i.MX8 subsystems.
 - A couple of changes from Tim Harvey that fix USB VBUS regulator for
   imx8mp-venice board.
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Merge tag 'imx-fixes-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 6.9:

- A couple of i.MX7 board fixes from Fabio Estevam that use correct
  'no-mmc' property and pass 'link-frequencies' for OV2680.
- A series from Frank Li to fix LPCG clock indices for i.MX8 subsystems.
- A couple of changes from Tim Harvey that fix USB VBUS regulator for
  imx8mp-venice board.

* tag 'imx-fixes-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: imx8qm-ss-dma: fix can lpcg indices
  arm64: dts: imx8-ss-dma: fix can lpcg indices
  arm64: dts: imx8-ss-dma: fix adc lpcg indices
  arm64: dts: imx8-ss-dma: fix pwm lpcg indices
  arm64: dts: imx8-ss-dma: fix spi lpcg indices
  arm64: dts: imx8-ss-conn: fix usb lpcg indices
  arm64: dts: imx8-ss-lsio: fix pwm lpcg indices
  ARM: dts: imx7s-warp: Pass OV2680 link-frequencies
  ARM: dts: imx7-mba7: Use 'no-mmc' property
  arm64: dts: imx8-ss-conn: fix usdhc wrong lpcg clock order
  arm64: dts: freescale: imx8mp-venice-gw73xx-2x: fix USB vbus regulator
  arm64: dts: freescale: imx8mp-venice-gw72xx-2x: fix USB vbus regulator

Link: https://lore.kernel.org/r/Zg5rfaVVvD9egoBK@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-09 16:21:01 +02:00
Arnd Bergmann
06bd7e4463 GPIO regression fixes for n8x0
A series of fixes for n8x0 GPIO regressions caused by the changes to use
 GPIO descriptors.
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Merge tag 'omap-for-v6.9/n8x0-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

GPIO regression fixes for n8x0

A series of fixes for n8x0 GPIO regressions caused by the changes to use
GPIO descriptors.

* tag 'omap-for-v6.9/n8x0-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: fix USB regression on Nokia N8x0
  mmc: omap: restore original power up/down steps
  mmc: omap: fix deferred probe
  mmc: omap: fix broken slot switch lookup
  ARM: OMAP2+: fix N810 MMC gpiod table
  ARM: OMAP2+: fix bogus MMC GPIO labels on Nokia N8x0

Link: https://lore.kernel.org/r/pull-1712135932-125424@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-09 16:17:37 +02:00
Arnd Bergmann
cf1b7201df ipv4/route: avoid unused-but-set-variable warning
The log_martians variable is only used in an #ifdef, causing a 'make W=1'
warning with gcc:

net/ipv4/route.c: In function 'ip_rt_send_redirect':
net/ipv4/route.c:880:13: error: variable 'log_martians' set but not used [-Werror=unused-but-set-variable]

Change the #ifdef to an equivalent IS_ENABLED() to let the compiler
see where the variable is used.

Fixes: 30038fc61a ("net: ip_rt_send_redirect() optimization")
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240408074219.3030256-2-arnd@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-09 15:49:19 +02:00
Arnd Bergmann
74043489fc ipv6: fib: hide unused 'pn' variable
When CONFIG_IPV6_SUBTREES is disabled, the only user is hidden, causing
a 'make W=1' warning:

net/ipv6/ip6_fib.c: In function 'fib6_add':
net/ipv6/ip6_fib.c:1388:32: error: variable 'pn' set but not used [-Werror=unused-but-set-variable]

Add another #ifdef around the variable declaration, matching the other
uses in this file.

Fixes: 66729e18df ("[IPV6] ROUTE: Make sure we have fn->leaf when adding a node on subtree.")
Link: https://lore.kernel.org/netdev/20240322131746.904943-1-arnd@kernel.org/
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240408074219.3030256-1-arnd@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-09 15:49:19 +02:00
Geetha sowjanya
faf2300618 octeontx2-af: Fix NIX SQ mode and BP config
NIX SQ mode and link backpressure configuration is required for
all platforms. But in current driver this code is wrongly placed
under specific platform check. This patch fixes the issue by
moving the code out of platform check.

Fixes: 5d9b976d44 ("octeontx2-af: Support fixed transmit scheduler topology")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Link: https://lore.kernel.org/r/20240408063643.26288-1-gakula@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-09 11:59:42 +02:00
Nianyao Tang
80e9963fb3 irqchip/gic-v3-its: Fix VSYNC referencing an unmapped VPE on GIC v4.1
As per the GICv4.1 spec (Arm IHI 0069H, 5.3.19):

 "A VMAPP with {V, Alloc}=={0, x} is self-synchronizing, This means the ITS
  command queue does not show the command as consumed until all of its
  effects are completed."

Furthermore, VSYNC is allowed to deliver an SError when referencing a
non existent VPE.

By these definitions, a VMAPP followed by a VSYNC is a bug, as the
later references a VPE that has been unmapped by the former.

Fix it by eliding the VSYNC in this scenario.

Fixes: 64edfaa9a2 ("irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP")
Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20240406022737.3898763-1-tangnianyao@huawei.com
2024-04-09 11:11:18 +02:00
Kent Overstreet
5ab4beb759 bcachefs: Don't scan for btree nodes when we can reconstruct
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-04-09 00:53:14 -04:00