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authorLinus Torvalds <torvalds@linux-foundation.org>2021-05-07 00:34:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-07 00:34:51 -0700
commita48b0872e69428d3d02994dcfad3519f01def7fa (patch)
tree20617cba7bbb16d36faf79204ca69abc214d6c38 /scripts
parent05da1f643f00ae9aabb8318709e40579789b7c64 (diff)
parentbaf2f90ba416cd887d7f54cc877d8764f6775de2 (diff)
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: "This is everything else from -mm for this merge window. 90 patches. Subsystems affected by this patch series: mm (cleanups and slub), alpha, procfs, sysctl, misc, core-kernel, bitmap, lib, compat, checkpatch, epoll, isofs, nilfs2, hpfs, exit, fork, kexec, gcov, panic, delayacct, gdb, resource, selftests, async, initramfs, ipc, drivers/char, and spelling" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (90 commits) mm: fix typos in comments mm: fix typos in comments treewide: remove editor modelines and cruft ipc/sem.c: spelling fix fs: fat: fix spelling typo of values kernel/sys.c: fix typo kernel/up.c: fix typo kernel/user_namespace.c: fix typos kernel/umh.c: fix some spelling mistakes include/linux/pgtable.h: few spelling fixes mm/slab.c: fix spelling mistake "disired" -> "desired" scripts/spelling.txt: add "overflw" scripts/spelling.txt: Add "diabled" typo scripts/spelling.txt: add "overlfow" arm: print alloc free paths for address in registers mm/vmalloc: remove vwrite() mm: remove xlate_dev_kmem_ptr() drivers/char: remove /dev/kmem for good mm: fix some typos and code style problems ipc/sem.c: mundane typo fixes ...
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl15
-rw-r--r--scripts/gdb/linux/cpus.py23
-rw-r--r--scripts/gdb/linux/symbols.py3
-rw-r--r--scripts/spelling.txt3
4 files changed, 39 insertions, 5 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ccb412a74725..23697a6b1eaa 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5829,7 +5829,7 @@ sub process {
next if ($arg =~ /\.\.\./);
next if ($arg =~ /^type$/i);
my $tmp_stmt = $define_stmt;
- $tmp_stmt =~ s/\b(sizeof|typeof|__typeof__|__builtin\w+|typecheck\s*\(\s*$Type\s*,|\#+)\s*\(*\s*$arg\s*\)*\b//g;
+ $tmp_stmt =~ s/\b(__must_be_array|offsetof|sizeof|sizeof_field|__stringify|typeof|__typeof__|__builtin\w+|typecheck\s*\(\s*$Type\s*,|\#+)\s*\(*\s*$arg\s*\)*\b//g;
$tmp_stmt =~ s/\#+\s*$arg\b//g;
$tmp_stmt =~ s/\b$arg\s*\#\#//g;
my $use_cnt = () = $tmp_stmt =~ /\b$arg\b/g;
@@ -7006,7 +7006,7 @@ sub process {
}
# check for alloc argument mismatch
- if ($line =~ /\b(kcalloc|kmalloc_array)\s*\(\s*sizeof\b/) {
+ if ($line =~ /\b((?:devm_)?(?:kcalloc|kmalloc_array))\s*\(\s*sizeof\b/) {
WARN("ALLOC_ARRAY_ARGS",
"$1 uses number as first arg, sizeof is generally wrong\n" . $herecurr);
}
@@ -7198,6 +7198,17 @@ sub process {
"Using $1 should generally have parentheses around the comparison\n" . $herecurr);
}
+# return sysfs_emit(foo, fmt, ...) fmt without newline
+ if ($line =~ /\breturn\s+sysfs_emit\s*\(\s*$FuncArg\s*,\s*($String)/ &&
+ substr($rawline, $-[6], $+[6] - $-[6]) !~ /\\n"$/) {
+ my $offset = $+[6] - 1;
+ if (WARN("SYSFS_EMIT",
+ "return sysfs_emit(...) formats should include a terminating newline\n" . $herecurr) &&
+ $fix) {
+ substr($fixed[$fixlinenr], $offset, 0) = '\\n';
+ }
+ }
+
# nested likely/unlikely calls
if ($line =~ /\b(?:(?:un)?likely)\s*\(\s*!?\s*(IS_ERR(?:_OR_NULL|_VALUE)?|WARN)/) {
WARN("LIKELY_MISUSE",
diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py
index 008e62f3190d..15fc4626d236 100644
--- a/scripts/gdb/linux/cpus.py
+++ b/scripts/gdb/linux/cpus.py
@@ -16,6 +16,9 @@ import gdb
from linux import tasks, utils
+task_type = utils.CachedType("struct task_struct")
+
+
MAX_CPUS = 4096
@@ -156,6 +159,23 @@ Note that VAR has to be quoted as string."""
PerCpu()
+def get_current_task(cpu):
+ task_ptr_type = task_type.get_type().pointer()
+
+ if utils.is_target_arch("x86"):
+ var_ptr = gdb.parse_and_eval("&current_task")
+ return per_cpu(var_ptr, cpu).dereference()
+ elif utils.is_target_arch("aarch64"):
+ current_task_addr = gdb.parse_and_eval("$SP_EL0")
+ if((current_task_addr >> 63) != 0):
+ current_task = current_task_addr.cast(task_ptr_type)
+ return current_task.dereference()
+ else:
+ raise gdb.GdbError("Sorry, obtaining the current task is not allowed "
+ "while running in userspace(EL0)")
+ else:
+ raise gdb.GdbError("Sorry, obtaining the current task is not yet "
+ "supported with this arch")
class LxCurrentFunc(gdb.Function):
"""Return current task.
@@ -167,8 +187,7 @@ number. If CPU is omitted, the CPU of the current context is used."""
super(LxCurrentFunc, self).__init__("lx_current")
def invoke(self, cpu=-1):
- var_ptr = gdb.parse_and_eval("&current_task")
- return per_cpu(var_ptr, cpu).dereference()
+ return get_current_task(cpu)
LxCurrentFunc()
diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
index 1be9763cf8bb..08d264ac328b 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -164,7 +164,8 @@ lx-symbols command."""
saved_state['breakpoint'].enabled = saved_state['enabled']
def invoke(self, arg, from_tty):
- self.module_paths = [os.path.expanduser(p) for p in arg.split()]
+ self.module_paths = [os.path.abspath(os.path.expanduser(p))
+ for p in arg.split()]
self.module_paths.append(os.getcwd())
# enforce update
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index 7beb4262f719..7b6a01291598 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -480,6 +480,7 @@ devided||divided
deviece||device
devision||division
diable||disable
+diabled||disabled
dicline||decline
dictionnary||dictionary
didnt||didn't
@@ -1027,6 +1028,8 @@ oustanding||outstanding
overaall||overall
overhread||overhead
overlaping||overlapping
+overflw||overflow
+overlfow||overflow
overide||override
overrided||overridden
overriden||overridden