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Dynamic attributes are not passed from any caller of
edac_device_alloc_ctl_info(). Drop this unused/untested functionality
completely.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240213112051.27715-5-jirislaby@kernel.org
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
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Enabling -Wstringop-overflow globally exposes a warning for a common bug
in the usage of strncat():
drivers/edac/thunderx_edac.c: In function 'thunderx_ocx_com_threaded_isr':
drivers/edac/thunderx_edac.c:1136:17: error: 'strncat' specified bound 1024 equals destination size [-Werror=stringop-overflow=]
1136 | strncat(msg, other, OCX_MESSAGE_SIZE);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
...
1145 | strncat(msg, other, OCX_MESSAGE_SIZE);
...
1150 | strncat(msg, other, OCX_MESSAGE_SIZE);
...
Apparently the author of this driver expected strncat() to behave the
way that strlcat() does, which uses the size of the destination buffer
as its third argument rather than the length of the source buffer. The
result is that there is no check on the size of the allocated buffer.
Change it to strlcat().
[ bp: Trim compiler output, fixup commit message. ]
Fixes: 41003396f932 ("EDAC, thunderx: Add Cavium ThunderX EDAC driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20231122222007.3199885-1-arnd@kernel.org
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edac_debugfs_create_file() returns ERR_PTR by way of the respective
debugfs function it calls, if an error occurs.
The appropriate way to verify for errors is to use IS_ERR(). Do so.
[ bp: Rewrite all text. ]
Signed-off-by: Yeqi Fu <asuk4.q@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230517173111.365787-1-asuk4.q@gmail.com
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Call ghes_get_devices() to check whether ghes_edac should be used on the
platform where it is preferred over the corresponding chipset-specific
EDAC driver.
Unlike the existing edac_get_owner() check, the ghes_get_devices() check
works independent to the module_init ordering.
[ bp: Massage. ]
Suggested-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Jia He <justin.he@arm.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221010023559.69655-6-justin.he@arm.com
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'ret' is irrelevant (it is 0) for both dev_err() calls, so just remove
it from the error message.
[ bp: Massage commit message. ]
Fixes: 41003396f932 ("EDAC, thunderx: Add Cavium ThunderX EDAC driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/0c046ef5cfb367a3f707ef4270e21a2bcbf44952.1620280098.git.christophe.jaillet@wanadoo.fr
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Symbol 'lmc_dfs_ents' is not used outside of thunderx_edac.c, so
make it static:
drivers/edac/thunderx_edac.c:457:22: warning:
symbol 'lmc_dfs_ents' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Robert Richter <rrichter@marvell.com>
Link: https://lkml.kernel.org/r/20200714142308.46612-1-weiyongjun1@huawei.com
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Make a couple of symbols static, as reported by sparse.
[ bp: Massage. ]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/1587624744-97240-1-git-send-email-zou_wei@huawei.com
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Fix memory leak in L2c threaded interrupt handler.
[ bp: Rewrite commit message. ]
Fixes: 41003396f932 ("EDAC, thunderx: Add Cavium ThunderX EDAC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: David Daney <david.daney@cavium.com>
CC: Jan Glauber <jglauber@cavium.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Sergey Temerkhanov <s.temerkhanov@gmail.com>
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20181013102843.GG16086@mwanda
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In the quest to remove all stack VLA usage from the kernel[1], switch to
using a kmalloc-allocated buffer instead of stack space. This should be
fine since the existing routine is allocating memory too.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Jan Glauber <jglauber@cavium.com>
Cc: David Daney <david.daney@cavium.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180629184850.GA37464@beast
Link: https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com [1]
Signed-off-by: Borislav Petkov <bp@suse.de>
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The memory controller on ThunderX/OcteonTX systems does not support
power management. Therefore remove the suspend/resume callbacks.
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Jan Glauber <jglauber@cavium.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Suzuki K Poulose <Suzuki.Poulose@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Zhangshaokun <zhangshaokun@hisilicon.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-mips@linux-mips.org
Link: http://lkml.kernel.org/r/20170925123502.17289-2-jglauber@cavium.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Return the proper error value if ioremap() fails (and not 0).
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: David Daney <david.daney@cavium.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-mips@linux-mips.org
Link: http://lkml.kernel.org/r/20170816045821.14165-1-christophe.jaillet@wanadoo.fr
[ Massage commit message, remove newline. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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It is a write-only variable so get rid of it.
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Thor Thayer <thor.thayer@linux.intel.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Cc: Mark Gross <mark.gross@intel.com>
Cc: Tim Small <tim@buttersideup.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: Jason Baron <jbaron@akamai.com>
Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <david.daney@cavium.com>
Cc: Loc Ho <lho@apm.com>
Cc: linux-edac@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mips@linux-mips.org
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Compare the number of debugfs entries created by
thunderx_create_debugfs_nodes() with the requested number of entries to
properly determine whether to print a warning.
Signed-off-by: Vadim Lomovtsev <Vadim.Lomovtsev@caviumnetworks.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-mips@linux-mips.org
Link: http://lkml.kernel.org/r/20170531155157.93583-1-stemerkhanov@cavium.com
Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
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Remove unused code reserved for upcoming CPUs.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Jan.Glauber@cavium.com
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170406113834.17153-1-s.temerkhanov@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Shift the node number by 3 bits instead of 8 allowing proper functioning
with default EDAC_MAX_MCS.
Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Jan.Glauber@cavium.com
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170406113755.17082-1-s.temerkhanov@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Fix a typo that disabled the MCI interrupts using the wrong bitmask.
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170405102739.6301-1-jglauber@cavium.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add support for Cavium ThunderX EDAC capable on-chip peripherals, namely
the DRAM controller (LMC), cache coherent processor interconnect (CCPI)
and level 2 cache blocks (L2C-TAD, L2C-MCI, L2C-CBC)
Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Cc: David.Daney@cavium.com
Cc: Jan.Glauber@cavium.com
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170324222837.60583-1-s.temerkhanov@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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