The patch titled
Subject: Remove abs64()
has been added to the -mm tree. Its filename is
remove-abs64.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/remove-abs64.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/remove-abs64.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Remove abs64()
Switch everything to the new and more capable implementation of abs().
Mainly to give the new abs() a bit of a workout.
Cc: Michal Nazarewicz <mina86@xxxxxxxxxx>
Cc: John Stultz <john.stultz@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_irq.c | 4 ++--
drivers/gpu/drm/tegra/sor.c | 4 ++--
drivers/media/i2c/ov9650.c | 2 +-
drivers/net/wireless/mac80211_hwsim.c | 2 +-
drivers/thermal/power_allocator.c | 2 +-
fs/gfs2/lock_dlm.c | 2 +-
include/linux/kernel.h | 3 ---
kernel/time/timekeeping.c | 2 +-
lib/div64.c | 2 +-
net/sctp/transport.c | 2 +-
10 files changed, 11 insertions(+), 14 deletions(-)
diff -puN drivers/gpu/drm/drm_irq.c~remove-abs64 drivers/gpu/drm/drm_irq.c
--- a/drivers/gpu/drm/drm_irq.c~remove-abs64
+++ a/drivers/gpu/drm/drm_irq.c
@@ -261,7 +261,7 @@ static void vblank_disable_and_save(stru
* available. In that case we can't account for this and just
* hope for the best.
*/
- if (vblrc && (abs64(diff_ns) > 1000000))
+ if (vblrc && (abs(diff_ns) > 1000000))
store_vblank(dev, pipe, 1, &tvblank);
spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags);
@@ -1772,7 +1772,7 @@ bool drm_handle_vblank(struct drm_device
* e.g., due to spurious vblank interrupts. We need to
* ignore those for accounting.
*/
- if (abs64(diff_ns) > DRM_REDUNDANT_VBLIRQ_THRESH_NS)
+ if (abs(diff_ns) > DRM_REDUNDANT_VBLIRQ_THRESH_NS)
store_vblank(dev, pipe, 1, &tvblank);
else
DRM_DEBUG("crtc %u: Redundant vblirq ignored. diff_ns = %d\n",
diff -puN drivers/gpu/drm/tegra/sor.c~remove-abs64 drivers/gpu/drm/tegra/sor.c
--- a/drivers/gpu/drm/tegra/sor.c~remove-abs64
+++ a/drivers/gpu/drm/tegra/sor.c
@@ -555,11 +555,11 @@ static int tegra_sor_compute_params(stru
error = div_s64(active_sym - approx, tu_size);
error *= params->num_clocks;
- if (error <= 0 && abs64(error) < params->error) {
+ if (error <= 0 && abs(error) < params->error) {
params->active_count = div_u64(active_count, f);
params->active_polarity = active_polarity;
params->active_frac = active_frac;
- params->error = abs64(error);
+ params->error = abs(error);
params->tu_size = tu_size;
if (error == 0)
diff -puN drivers/media/i2c/ov9650.c~remove-abs64 drivers/media/i2c/ov9650.c
--- a/drivers/media/i2c/ov9650.c~remove-abs64
+++ a/drivers/media/i2c/ov9650.c
@@ -1133,7 +1133,7 @@ static int __ov965x_set_frame_interval(s
if (mbus_fmt->width != iv->size.width ||
mbus_fmt->height != iv->size.height)
continue;
- err = abs64((u64)(iv->interval.numerator * 10000) /
+ err = abs((u64)(iv->interval.numerator * 10000) /
iv->interval.denominator - req_int);
if (err < min_err) {
fiv = iv;
diff -puN drivers/net/wireless/mac80211_hwsim.c~remove-abs64 drivers/net/wireless/mac80211_hwsim.c
--- a/drivers/net/wireless/mac80211_hwsim.c~remove-abs64
+++ a/drivers/net/wireless/mac80211_hwsim.c
@@ -787,7 +787,7 @@ static void mac80211_hwsim_set_tsf(struc
struct mac80211_hwsim_data *data = hw->priv;
u64 now = mac80211_hwsim_get_tsf(hw, vif);
u32 bcn_int = data->beacon_int;
- u64 delta = abs64(tsf - now);
+ u64 delta = abs(tsf - now);
/* adjust after beaconing with new timestamp at old TBTT */
if (tsf > now) {
diff -puN drivers/thermal/power_allocator.c~remove-abs64 drivers/thermal/power_allocator.c
--- a/drivers/thermal/power_allocator.c~remove-abs64
+++ a/drivers/thermal/power_allocator.c
@@ -119,7 +119,7 @@ static u32 pid_controller(struct thermal
if (err < int_to_frac(tz->tzp->integral_cutoff)) {
s64 i_next = i + mul_frac(tz->tzp->k_i, err);
- if (abs64(i_next) < max_power_frac) {
+ if (abs(i_next) < max_power_frac) {
i = i_next;
params->err_integral += err;
}
diff -puN fs/gfs2/lock_dlm.c~remove-abs64 fs/gfs2/lock_dlm.c
--- a/fs/gfs2/lock_dlm.c~remove-abs64
+++ a/fs/gfs2/lock_dlm.c
@@ -50,7 +50,7 @@ static inline void gfs2_update_stats(str
s64 delta = sample - s->stats[index];
s->stats[index] += (delta >> 3);
index++;
- s->stats[index] += ((abs64(delta) - s->stats[index]) >> 2);
+ s->stats[index] += ((abs(delta) - s->stats[index]) >> 2);
}
/**
diff -puN include/linux/kernel.h~remove-abs64 include/linux/kernel.h
--- a/include/linux/kernel.h~remove-abs64
+++ a/include/linux/kernel.h
@@ -223,9 +223,6 @@ extern int _cond_resched(void);
ret; \
}))
-/* Deprecated, use abs instead. */
-#define abs64(x) abs((s64)(x))
-
/**
* reciprocal_scale - "scale" a value into range [0, ep_ro)
* @val: value
diff -puN kernel/time/timekeeping.c~remove-abs64 kernel/time/timekeeping.c
--- a/kernel/time/timekeeping.c~remove-abs64
+++ a/kernel/time/timekeeping.c
@@ -1614,7 +1614,7 @@ static __always_inline void timekeeping_
negative = (tick_error < 0);
/* Sort out the magnitude of the correction */
- tick_error = abs64(tick_error);
+ tick_error = abs(tick_error);
for (adj = 0; tick_error > interval; adj++)
tick_error >>= 1;
diff -puN lib/div64.c~remove-abs64 lib/div64.c
--- a/lib/div64.c~remove-abs64
+++ a/lib/div64.c
@@ -162,7 +162,7 @@ s64 div64_s64(s64 dividend, s64 divisor)
{
s64 quot, t;
- quot = div64_u64(abs64(dividend), abs64(divisor));
+ quot = div64_u64(abs(dividend), abs(divisor));
t = (dividend ^ divisor) >> 63;
return (quot ^ t) - t;
diff -puN net/sctp/transport.c~remove-abs64 net/sctp/transport.c
--- a/net/sctp/transport.c~remove-abs64
+++ a/net/sctp/transport.c
@@ -331,7 +331,7 @@ void sctp_transport_update_rto(struct sc
* 1/8, rto_alpha would be expressed as 3.
*/
tp->rttvar = tp->rttvar - (tp->rttvar >> net->sctp.rto_beta)
- + (((__u32)abs64((__s64)tp->srtt - (__s64)rtt)) >> net->sctp.rto_beta);
+ + (((__u32)abs((__s64)tp->srtt - (__s64)rtt)) >> net->sctp.rto_beta);
tp->srtt = tp->srtt - (tp->srtt >> net->sctp.rto_alpha)
+ (rtt >> net->sctp.rto_alpha);
} else {
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
arch-alpha-kernel-systblss-remove-debug-check.patch
drivers-gpu-drm-i915-intel_spritec-fix-build.patch
drivers-gpu-drm-i915-intel_tvc-fix-build.patch
mm-dax-vma-with-vm_ops-pfn_mkwrite-wants-to-be-write-notified-fix.patch
x86-efi-kasan-undef-memset-memcpy-memmove-per-arch-fix.patch
mm.patch
uaccess-reimplement-probe_kernel_address-using-probe_kernel_read.patch
uaccess-reimplement-probe_kernel_address-using-probe_kernel_read-fix.patch
uaccess-reimplement-probe_kernel_address-using-probe_kernel_read-fix-fix.patch
kasan-various-fixes-in-documentation-checkpatch-fixes.patch
page-flags-introduce-page-flags-policies-wrt-compound-pages-fix.patch
include-linux-page-flagsh-rename-macros-to-avoid-collisions.patch
x86-add-pmd_-for-thp-fix.patch
sparc-add-pmd_-for-thp-fix.patch
mm-support-madvisemadv_free-fix-2.patch
mm-dont-split-thp-page-when-syscall-is-called-fix-3.patch
mm-move-lazy-free-pages-to-inactive-list-fix-fix.patch
remove-abs64.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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