Re: Linux 3.0.22
From: Greg KH <gregkh@linuxfoundation.org>
Date: 2012-02-20 22:14:58
Also in:
lkml
Subsystem:
bitops api, crypto api, drm drivers, fintek f75375s hardware monitor and fan controller driver, gpio subsystem, hardware monitoring, intel drm i915 driver (meteor lake, dg2 and older excluding poulsbo, moorestown and derivative), kernel build + files below scripts/ (unless maintained elsewhere), mac80211, memory management, page cache, pci subsystem, performance events subsystem, relay, slab allocator, sound, the rest, tracing, x86 architecture (32-bit and 64-bit), xen pci subsystem · Maintainers:
Yury Norov, Herbert Xu, "David S. Miller", David Airlie, Simona Vetter, Riku Voipio, Linus Walleij, Bartosz Golaszewski, Guenter Roeck, Jani Nikula, Joonas Lahtinen, Rodrigo Vivi, Tvrtko Ursulin, Nathan Chancellor, Nicolas Schier, Johannes Berg, Andrew Morton, Matthew Wilcox, Jan Kara, Bjorn Helgaas, Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Jens Axboe, Jason Xing, Vlastimil Babka, Harry Yoo, Jaroslav Kysela, Takashi Iwai, Linus Torvalds, Steven Rostedt, Masami Hiramatsu, Thomas Gleixner, Borislav Petkov, Dave Hansen, Juergen Gross
diff --git a/Makefile b/Makefile
index d5f0598..a5b2253 100644
--- a/Makefile
+++ b/Makefile@@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 0 -SUBLEVEL = 21 +SUBLEVEL = 22 EXTRAVERSION = NAME = Sneaky Weasel
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index f567965..6e96e65 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c@@ -308,7 +308,7 @@ int __init pci_xen_init(void) int __init pci_xen_hvm_init(void) { - if (!xen_feature(XENFEAT_hvm_pirqs)) + if (!xen_have_vector_callback || !xen_feature(XENFEAT_hvm_pirqs)) return 0; #ifdef CONFIG_ACPI
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c
index 88f160b..107f6f7 100644
--- a/crypto/sha512_generic.c
+++ b/crypto/sha512_generic.c@@ -31,11 +31,6 @@ static inline u64 Maj(u64 x, u64 y, u64 z) return (x & y) | (z & (x | y)); } -static inline u64 RORu64(u64 x, u64 y) -{ - return (x >> y) | (x << (64 - y)); -} - static const u64 sha512_K[80] = { 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
@@ -66,10 +61,10 @@ static const u64 sha512_K[80] = { 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL, }; -#define e0(x) (RORu64(x,28) ^ RORu64(x,34) ^ RORu64(x,39)) -#define e1(x) (RORu64(x,14) ^ RORu64(x,18) ^ RORu64(x,41)) -#define s0(x) (RORu64(x, 1) ^ RORu64(x, 8) ^ (x >> 7)) -#define s1(x) (RORu64(x,19) ^ RORu64(x,61) ^ (x >> 6)) +#define e0(x) (ror64(x,28) ^ ror64(x,34) ^ ror64(x,39)) +#define e1(x) (ror64(x,14) ^ ror64(x,18) ^ ror64(x,41)) +#define s0(x) (ror64(x, 1) ^ ror64(x, 8) ^ (x >> 7)) +#define s1(x) (ror64(x,19) ^ ror64(x,61) ^ (x >> 6)) static inline void LOAD_OP(int I, u64 *W, const u8 *input) {
@@ -78,7 +73,7 @@ static inline void LOAD_OP(int I, u64 *W, const u8 *input) static inline void BLEND_OP(int I, u64 *W) { - W[I % 16] += s1(W[(I-2) % 16]) + W[(I-7) % 16] + s0(W[(I-15) % 16]); + W[I & 15] += s1(W[(I-2) & 15]) + W[(I-7) & 15] + s0(W[(I-15) & 15]); } static void
@@ -89,46 +84,42 @@ sha512_transform(u64 *state, const u8 *input) int i; u64 W[16]; - /* load the input */ - for (i = 0; i < 16; i++) - LOAD_OP(i, W, input); - /* load the state into our registers */ a=state[0]; b=state[1]; c=state[2]; d=state[3]; e=state[4]; f=state[5]; g=state[6]; h=state[7]; -#define SHA512_0_15(i, a, b, c, d, e, f, g, h) \ - t1 = h + e1(e) + Ch(e, f, g) + sha512_K[i] + W[i]; \ - t2 = e0(a) + Maj(a, b, c); \ - d += t1; \ - h = t1 + t2 - -#define SHA512_16_79(i, a, b, c, d, e, f, g, h) \ - BLEND_OP(i, W); \ - t1 = h + e1(e) + Ch(e, f, g) + sha512_K[i] + W[(i)%16]; \ - t2 = e0(a) + Maj(a, b, c); \ - d += t1; \ - h = t1 + t2 - - for (i = 0; i < 16; i += 8) { - SHA512_0_15(i, a, b, c, d, e, f, g, h); - SHA512_0_15(i + 1, h, a, b, c, d, e, f, g); - SHA512_0_15(i + 2, g, h, a, b, c, d, e, f); - SHA512_0_15(i + 3, f, g, h, a, b, c, d, e); - SHA512_0_15(i + 4, e, f, g, h, a, b, c, d); - SHA512_0_15(i + 5, d, e, f, g, h, a, b, c); - SHA512_0_15(i + 6, c, d, e, f, g, h, a, b); - SHA512_0_15(i + 7, b, c, d, e, f, g, h, a); - } - for (i = 16; i < 80; i += 8) { - SHA512_16_79(i, a, b, c, d, e, f, g, h); - SHA512_16_79(i + 1, h, a, b, c, d, e, f, g); - SHA512_16_79(i + 2, g, h, a, b, c, d, e, f); - SHA512_16_79(i + 3, f, g, h, a, b, c, d, e); - SHA512_16_79(i + 4, e, f, g, h, a, b, c, d); - SHA512_16_79(i + 5, d, e, f, g, h, a, b, c); - SHA512_16_79(i + 6, c, d, e, f, g, h, a, b); - SHA512_16_79(i + 7, b, c, d, e, f, g, h, a); + /* now iterate */ + for (i=0; i<80; i+=8) { + if (!(i & 8)) { + int j; + + if (i < 16) { + /* load the input */ + for (j = 0; j < 16; j++) + LOAD_OP(i + j, W, input); + } else { + for (j = 0; j < 16; j++) { + BLEND_OP(i + j, W); + } + } + } + + t1 = h + e1(e) + Ch(e,f,g) + sha512_K[i ] + W[(i & 15)]; + t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2; + t1 = g + e1(d) + Ch(d,e,f) + sha512_K[i+1] + W[(i & 15) + 1]; + t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2; + t1 = f + e1(c) + Ch(c,d,e) + sha512_K[i+2] + W[(i & 15) + 2]; + t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2; + t1 = e + e1(b) + Ch(b,c,d) + sha512_K[i+3] + W[(i & 15) + 3]; + t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2; + t1 = d + e1(a) + Ch(a,b,c) + sha512_K[i+4] + W[(i & 15) + 4]; + t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2; + t1 = c + e1(h) + Ch(h,a,b) + sha512_K[i+5] + W[(i & 15) + 5]; + t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2; + t1 = b + e1(g) + Ch(g,h,a) + sha512_K[i+6] + W[(i & 15) + 6]; + t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2; + t1 = a + e1(f) + Ch(f,g,h) + sha512_K[i+7] + W[(i & 15) + 7]; + t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2; } state[0] += a; state[1] += b; state[2] += c; state[3] += d;
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 0451d7a..532f690 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c@@ -437,7 +437,7 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid) do { level = __ffs(pending); - generic_handle_irq(level + chip->irq_base); + handle_nested_irq(level + chip->irq_base); pending &= ~(1 << level); } while (pending);
@@ -481,8 +481,8 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, int irq = lvl + chip->irq_base; irq_set_chip_data(irq, chip); - irq_set_chip_and_handler(irq, &pca953x_irq_chip, - handle_simple_irq); + irq_set_chip(irq, &pca953x_irq_chip); + irq_set_nested_thread(irq, true); #ifdef CONFIG_ARM set_irq_flags(irq, IRQF_VALID); #else
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index b28f7bd..21257f8 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c@@ -714,6 +714,14 @@ static const struct dmi_system_id intel_no_lvds[] = { }, { .callback = intel_no_lvds_dmi_callback, + .ident = "AOpen i45GMx-I", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), + DMI_MATCH(DMI_BOARD_NAME, "i45GMx-I"), + }, + }, + { + .callback = intel_no_lvds_dmi_callback, .ident = "Aopen i945GTt-VFA", .matches = { DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"),
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 95cbfb3..e4ab491 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c@@ -159,7 +159,7 @@ static inline void f75375_write8(struct i2c_client *client, u8 reg, static inline void f75375_write16(struct i2c_client *client, u8 reg, u16 value) { - int err = i2c_smbus_write_byte_data(client, reg, (value << 8)); + int err = i2c_smbus_write_byte_data(client, reg, (value >> 8)); if (err) return; i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF));
@@ -311,7 +311,7 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val) fanmode |= (3 << FAN_CTRL_MODE(nr)); break; case 2: /* AUTOMATIC*/ - fanmode |= (2 << FAN_CTRL_MODE(nr)); + fanmode |= (1 << FAN_CTRL_MODE(nr)); break; case 3: /* fan speed */ break;
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index a3ef66a..fc8a3ff 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h@@ -50,6 +50,26 @@ static inline unsigned long hweight_long(unsigned long w) } /** + * rol64 - rotate a 64-bit value left + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u64 rol64(__u64 word, unsigned int shift) +{ + return (word << shift) | (word >> (64 - shift)); +} + +/** + * ror64 - rotate a 64-bit value right + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u64 ror64(__u64 word, unsigned int shift) +{ + return (word >> shift) | (word << (64 - shift)); +} + +/** * rol32 - rotate a 32-bit value left * @word: value to rotate * @shift: bits to roll
diff --git a/include/linux/proportions.h b/include/linux/proportions.h
index cf793bb..22653d7 100644
--- a/include/linux/proportions.h
+++ b/include/linux/proportions.h@@ -81,7 +81,11 @@ void prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl) * Limit the time part in order to ensure there are some bits left for the * cycle counter and fraction multiply. */ +#if BITS_PER_LONG == 32 #define PROP_MAX_SHIFT (3*BITS_PER_LONG/4) +#else +#define PROP_MAX_SHIFT (BITS_PER_LONG/2) +#endif #define PROP_FRAC_SHIFT (BITS_PER_LONG - PROP_MAX_SHIFT - 1) #define PROP_FRAC_BASE (1UL << PROP_FRAC_SHIFT)
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 4e249b9..9b60c6f 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h@@ -23,7 +23,10 @@ DECLARE_EVENT_CLASS(writeback_work_class, __field(int, for_background) ), TP_fast_assign( - strncpy(__entry->name, dev_name(bdi->dev), 32); + struct device *dev = bdi->dev; + if (!dev) + dev = default_backing_dev_info.dev; + strncpy(__entry->name, dev_name(dev), 32); __entry->nr_pages = work->nr_pages; __entry->sb_dev = work->sb ? work->sb->s_dev : 0; __entry->sync_mode = work->sync_mode;
diff --git a/kernel/relay.c b/kernel/relay.c
index 859ea5a..2c242fb 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c@@ -164,10 +164,14 @@ depopulate: */ static struct rchan_buf *relay_create_buf(struct rchan *chan) { - struct rchan_buf *buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL); - if (!buf) + struct rchan_buf *buf; + + if (chan->n_subbufs > UINT_MAX / sizeof(size_t *)) return NULL; + buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL); + if (!buf) + return NULL; buf->padding = kmalloc(chan->n_subbufs * sizeof(size_t *), GFP_KERNEL); if (!buf->padding) goto free_buf;
@@ -574,6 +578,8 @@ struct rchan *relay_open(const char *base_filename, if (!(subbuf_size && n_subbufs)) return NULL; + if (subbuf_size > UINT_MAX / n_subbufs) + return NULL; chan = kzalloc(sizeof(struct rchan), GFP_KERNEL); if (!chan)
diff --git a/mm/slub.c b/mm/slub.c
index 35f351f..0d0901e 100644
--- a/mm/slub.c
+++ b/mm/slub.c@@ -1818,6 +1818,11 @@ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, if (unlikely(!node_match(c, node))) goto another_slab; + /* must check again c->freelist in case of cpu migration or IRQ */ + object = c->freelist; + if (object) + goto update_freelist; + stat(s, ALLOC_REFILL); load_freelist:
@@ -1827,6 +1832,7 @@ load_freelist: if (kmem_cache_debug(s)) goto debug; +update_freelist: c->freelist = get_freepointer(s, object); page->inuse = page->objects; page->freelist = NULL;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 378bd67..4100065 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c@@ -610,7 +610,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size; if (!tid_agg_rx->reorder_buf[index] && - tid_agg_rx->stored_mpdu_num > 1) { + tid_agg_rx->stored_mpdu_num) { /* * No buffers ready to be released, but check whether any * frames in the reorder buffer have timed out.
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 6c896db..2e799a9 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c@@ -2076,6 +2076,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = { }, { .subvendor = 0x161f, + .subdevice = 0x202f, + .name = "Gateway M520", + .type = AC97_TUNE_INV_EAPD + }, + { + .subvendor = 0x161f, .subdevice = 0x203a, .name = "Gateway 4525GZ", /* AD1981B */ .type = AC97_TUNE_INV_EAPD
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S
index a57b66e..185a96d 100644
--- a/tools/perf/bench/mem-memcpy-x86-64-asm.S
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S@@ -1,2 +1,8 @@ #include "../../../arch/x86/lib/memcpy_64.S" +/* + * We need to provide note.GNU-stack section, saying that we want + * NOT executable stack. Otherwise the final linking will assume that + * the ELF stack should not be restricted at all and set it RWX. + */ +.section .note.GNU-stack,"",@progbits
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 0239eb8..ad2183c 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c@@ -348,6 +348,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, data->cpu = data->pid = data->tid = -1; data->stream_id = data->id = data->time = -1ULL; + data->period = 1; if (event->header.type != PERF_RECORD_SAMPLE) { if (!sample_id_all)