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Linux 3.10-rc7

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Merge tag 'v3.10-rc7' into drm-next

Linux 3.10-rc7

The sdvo lvds fix in this -fixes pull

commit c3456fb3e4
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Mon Jun 10 09:47:58 2013 +0200

    drm/i915: prefer VBT modes for SVDO-LVDS over EDID

has a silent functional conflict with

commit 990256aec2
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date:   Fri May 31 12:17:07 2013 +0000

    drm: Add probed modes in probe order

in drm-next. W simply need to add the vbt modes before edid modes, i.e. the
other way round than now.

Conflicts:
	drivers/gpu/drm/drm_prime.c
	drivers/gpu/drm/i915/intel_sdvo.c
This commit is contained in:
Dave Airlie 2013-06-27 20:40:44 +10:00
commit 4300a0f8bd
1058 changed files with 13456 additions and 7048 deletions
Download patch file Download diff file Expand all files Collapse all files

52
drivers/char/random.c
View file

@ -865,16 +865,24 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,
if (r->entropy_count / 8 < min + reserved) {
nbytes = 0;
} else {
int entropy_count, orig;
retry:
entropy_count = orig = ACCESS_ONCE(r->entropy_count);
/* If limited, never pull more than available */
if (r->limit && nbytes + reserved >= r->entropy_count / 8)
nbytes = r->entropy_count/8 - reserved;
if (r->limit && nbytes + reserved >= entropy_count / 8)
nbytes = entropy_count/8 - reserved;
if (r->entropy_count / 8 >= nbytes + reserved)
r->entropy_count -= nbytes*8;
else
r->entropy_count = reserved;
if (entropy_count / 8 >= nbytes + reserved) {
entropy_count -= nbytes*8;
if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
goto retry;
} else {
entropy_count = reserved;
if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
goto retry;
}
if (r->entropy_count < random_write_wakeup_thresh)
if (entropy_count < random_write_wakeup_thresh)
wakeup_write = 1;
}
@ -957,10 +965,23 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
{
ssize_t ret = 0, i;
__u8 tmp[EXTRACT_SIZE];
unsigned long flags;
/* if last_data isn't primed, we need EXTRACT_SIZE extra bytes */
if (fips_enabled && !r->last_data_init)
nbytes += EXTRACT_SIZE;
if (fips_enabled) {
spin_lock_irqsave(&r->lock, flags);
if (!r->last_data_init) {
r->last_data_init = true;
spin_unlock_irqrestore(&r->lock, flags);
trace_extract_entropy(r->name, EXTRACT_SIZE,
r->entropy_count, _RET_IP_);
xfer_secondary_pool(r, EXTRACT_SIZE);
extract_buf(r, tmp);
spin_lock_irqsave(&r->lock, flags);
memcpy(r->last_data, tmp, EXTRACT_SIZE);
}
spin_unlock_irqrestore(&r->lock, flags);
}
trace_extract_entropy(r->name, nbytes, r->entropy_count, _RET_IP_);
xfer_secondary_pool(r, nbytes);
@ -970,19 +991,6 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
extract_buf(r, tmp);
if (fips_enabled) {
unsigned long flags;
/* prime last_data value if need be, per fips 140-2 */
if (!r->last_data_init) {
spin_lock_irqsave(&r->lock, flags);
memcpy(r->last_data, tmp, EXTRACT_SIZE);
r->last_data_init = true;
nbytes -= EXTRACT_SIZE;
spin_unlock_irqrestore(&r->lock, flags);
extract_buf(r, tmp);
}
spin_lock_irqsave(&r->lock, flags);
if (!memcmp(tmp, r->last_data, EXTRACT_SIZE))
panic("Hardware RNG duplicated output!\n");