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-rw-r--r--lib/buildid.c32
-rw-r--r--lib/crypto/aes.c4
-rw-r--r--lib/crypto/tests/polyval_kunit.c2
-rw-r--r--lib/debugobjects.c2
-rw-r--r--lib/flex_proportions.c5
-rw-r--r--lib/idr.c2
-rw-r--r--lib/plist.c2
-rw-r--r--lib/reed_solomon/decode_rs.c2
-rw-r--r--lib/reed_solomon/encode_rs.c2
-rw-r--r--lib/reed_solomon/reed_solomon.c2
-rw-r--r--lib/test_hmm.c4
11 files changed, 36 insertions, 23 deletions
diff --git a/lib/buildid.c b/lib/buildid.c
index aaf61dfc0919..818331051afe 100644
--- a/lib/buildid.c
+++ b/lib/buildid.c
@@ -5,6 +5,7 @@
#include <linux/elf.h>
#include <linux/kernel.h>
#include <linux/pagemap.h>
+#include <linux/fs.h>
#include <linux/secretmem.h>
#define BUILD_ID 3
@@ -46,20 +47,9 @@ static int freader_get_folio(struct freader *r, loff_t file_off)
freader_put_folio(r);
- /* reject secretmem folios created with memfd_secret() */
- if (secretmem_mapping(r->file->f_mapping))
- return -EFAULT;
-
+ /* only use page cache lookup - fail if not already cached */
r->folio = filemap_get_folio(r->file->f_mapping, file_off >> PAGE_SHIFT);
- /* if sleeping is allowed, wait for the page, if necessary */
- if (r->may_fault && (IS_ERR(r->folio) || !folio_test_uptodate(r->folio))) {
- filemap_invalidate_lock_shared(r->file->f_mapping);
- r->folio = read_cache_folio(r->file->f_mapping, file_off >> PAGE_SHIFT,
- NULL, r->file);
- filemap_invalidate_unlock_shared(r->file->f_mapping);
- }
-
if (IS_ERR(r->folio) || !folio_test_uptodate(r->folio)) {
if (!IS_ERR(r->folio))
folio_put(r->folio);
@@ -97,6 +87,24 @@ const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz)
return r->data + file_off;
}
+ /* reject secretmem folios created with memfd_secret() */
+ if (secretmem_mapping(r->file->f_mapping)) {
+ r->err = -EFAULT;
+ return NULL;
+ }
+
+ /* use __kernel_read() for sleepable context */
+ if (r->may_fault) {
+ ssize_t ret;
+
+ ret = __kernel_read(r->file, r->buf, sz, &file_off);
+ if (ret != sz) {
+ r->err = (ret < 0) ? ret : -EIO;
+ return NULL;
+ }
+ return r->buf;
+ }
+
/* fetch or reuse folio for given file offset */
r->err = freader_get_folio(r, file_off);
if (r->err)
diff --git a/lib/crypto/aes.c b/lib/crypto/aes.c
index b57fda3460f1..102aaa76bc8d 100644
--- a/lib/crypto/aes.c
+++ b/lib/crypto/aes.c
@@ -13,7 +13,7 @@
* Emit the sbox as volatile const to prevent the compiler from doing
* constant folding on sbox references involving fixed indexes.
*/
-static volatile const u8 __cacheline_aligned aes_sbox[] = {
+static volatile const u8 ____cacheline_aligned aes_sbox[] = {
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
@@ -48,7 +48,7 @@ static volatile const u8 __cacheline_aligned aes_sbox[] = {
0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16,
};
-static volatile const u8 __cacheline_aligned aes_inv_sbox[] = {
+static volatile const u8 ____cacheline_aligned aes_inv_sbox[] = {
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38,
0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
diff --git a/lib/crypto/tests/polyval_kunit.c b/lib/crypto/tests/polyval_kunit.c
index e59f598c1572..f47f41a39a41 100644
--- a/lib/crypto/tests/polyval_kunit.c
+++ b/lib/crypto/tests/polyval_kunit.c
@@ -183,7 +183,7 @@ static void test_polyval_preparekey_in_irqs(struct kunit *test)
rand_bytes(state.raw_key, sizeof(state.raw_key));
polyval_preparekey(&state.expected_key, state.raw_key);
- kunit_run_irq_test(test, polyval_irq_test_func, 20000, &state);
+ kunit_run_irq_test(test, polyval_irq_test_func, 200000, &state);
}
static int polyval_suite_init(struct kunit_suite *suite)
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index ecf8e7f978e3..89a1d6745dc2 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -2,7 +2,7 @@
/*
* Generic infrastructure for lifetime debugging of objects.
*
- * Copyright (C) 2008, Thomas Gleixner <tglx@linutronix.de>
+ * Copyright (C) 2008, Linutronix GmbH, Thomas Gleixner <tglx@kernel.org>
*/
#define pr_fmt(fmt) "ODEBUG: " fmt
diff --git a/lib/flex_proportions.c b/lib/flex_proportions.c
index 84ecccddc771..012d5614efb9 100644
--- a/lib/flex_proportions.c
+++ b/lib/flex_proportions.c
@@ -64,13 +64,14 @@ void fprop_global_destroy(struct fprop_global *p)
bool fprop_new_period(struct fprop_global *p, int periods)
{
s64 events = percpu_counter_sum(&p->events);
+ unsigned long flags;
/*
* Don't do anything if there are no events.
*/
if (events <= 1)
return false;
- preempt_disable_nested();
+ local_irq_save(flags);
write_seqcount_begin(&p->sequence);
if (periods < 64)
events -= events >> periods;
@@ -78,7 +79,7 @@ bool fprop_new_period(struct fprop_global *p, int periods)
percpu_counter_add(&p->events, -events);
p->period += periods;
write_seqcount_end(&p->sequence);
- preempt_enable_nested();
+ local_irq_restore(flags);
return true;
}
diff --git a/lib/idr.c b/lib/idr.c
index e2adc457abb4..457430cff8c5 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -40,6 +40,8 @@ int idr_alloc_u32(struct idr *idr, void *ptr, u32 *nextid,
if (WARN_ON_ONCE(!(idr->idr_rt.xa_flags & ROOT_IS_IDR)))
idr->idr_rt.xa_flags |= IDR_RT_MARKER;
+ if (max < base)
+ return -ENOSPC;
id = (id < base) ? 0 : id - base;
radix_tree_iter_init(&iter, id);
diff --git a/lib/plist.c b/lib/plist.c
index ba677c31e8f3..a5bef38add43 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -10,7 +10,7 @@
* 2001-2005 (c) MontaVista Software, Inc.
* Daniel Walker <dwalker@mvista.com>
*
- * (C) 2005 Thomas Gleixner <tglx@linutronix.de>
+ * (C) 2005 Linutronix GmbH, Thomas Gleixner <tglx@kernel.org>
*
* Simplifications of the original code by
* Oleg Nesterov <oleg@tv-sign.ru>
diff --git a/lib/reed_solomon/decode_rs.c b/lib/reed_solomon/decode_rs.c
index 805de84ae83d..ef86ee2aec58 100644
--- a/lib/reed_solomon/decode_rs.c
+++ b/lib/reed_solomon/decode_rs.c
@@ -5,7 +5,7 @@
* Copyright 2002, Phil Karn, KA9Q
* May be used under the terms of the GNU General Public License (GPL)
*
- * Adaption to the kernel by Thomas Gleixner (tglx@linutronix.de)
+ * Adaption to the kernel by Thomas Gleixner (tglx@kernel.org)
*
* Generic data width independent code which is included by the wrappers.
*/
diff --git a/lib/reed_solomon/encode_rs.c b/lib/reed_solomon/encode_rs.c
index 9112d46e869e..1d9e51dcc83d 100644
--- a/lib/reed_solomon/encode_rs.c
+++ b/lib/reed_solomon/encode_rs.c
@@ -5,7 +5,7 @@
* Copyright 2002, Phil Karn, KA9Q
* May be used under the terms of the GNU General Public License (GPL)
*
- * Adaption to the kernel by Thomas Gleixner (tglx@linutronix.de)
+ * Adaption to the kernel by Thomas Gleixner (tglx@kernel.org)
*
* Generic data width independent code which is included by the wrappers.
*/
diff --git a/lib/reed_solomon/reed_solomon.c b/lib/reed_solomon/reed_solomon.c
index bbc01bad3053..a9e2dcb6f2a7 100644
--- a/lib/reed_solomon/reed_solomon.c
+++ b/lib/reed_solomon/reed_solomon.c
@@ -2,7 +2,7 @@
/*
* Generic Reed Solomon encoder / decoder library
*
- * Copyright (C) 2004 Thomas Gleixner (tglx@linutronix.de)
+ * Copyright (C) 2004 Thomas Gleixner (tglx@kernel.org)
*
* Reed Solomon code lifted from reed solomon library written by Phil Karn
* Copyright 2002 Phil Karn, KA9Q
diff --git a/lib/test_hmm.c b/lib/test_hmm.c
index 8af169d3873a..455a6862ae50 100644
--- a/lib/test_hmm.c
+++ b/lib/test_hmm.c
@@ -662,7 +662,9 @@ static struct page *dmirror_devmem_alloc_page(struct dmirror *dmirror,
goto error;
}
- zone_device_folio_init(page_folio(dpage), order);
+ zone_device_folio_init(page_folio(dpage),
+ page_pgmap(folio_page(page_folio(dpage), 0)),
+ order);
dpage->zone_device_data = rpage;
return dpage;
generated by cgit v1.2.3 (git 2.0.4) at 2026-01-31 02:50:59 +0000