Re: [2.6.22.2 review 18/84] Fix sparc32 udelay() rounding errors. | KernelTrap

Re: [2.6.22.2 review 18/84] Fix sparc32 udelay() rounding errors.

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From: Jan Engelhardt

Subject: Re: [2.6.22.2 review 18/84] Fix sparc32 udelay() rounding errors.

Date: Tuesday, August 7, 2007 - 2:41 pm

On Aug 7 2007 13:44, Greg KH wrote:

quoted text>--- a/arch/sparc/kernel/entry.S
>+++ b/arch/sparc/kernel/entry.S
>@@ -1749,8 +1749,8 @@ fpload:
> __ndelay:
> 	save	%sp, -STACKFRAME_SZ, %sp
> 	mov	%i0, %o0
>-	call	.umul
>-	 mov	0x1ad, %o1		! 2**32 / (1 000 000 000 / HZ)
>+	call	.umul			! round multiplier up so large ns ok
>+	 mov	0x1ae, %o1		! 2**32 / (1 000 000 000 / HZ)

If noone noticed - spacing seems odd :)


	Jan
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Messages in current thread:

[2.6.22.2 review 00/84] 2.6.22.2 -stable review, Greg KH, (Tue Aug 7, 1:41 pm)

[2.6.22.2 review 01/84] USB: cdc-acm: fix sysfs attribute ..., Greg KH, (Tue Aug 7, 1:42 pm)

[2.6.22.2 review 02/84] TCP FRTO retransmit bug fix, Greg KH, (Tue Aug 7, 1:42 pm)

[2.6.22.2 review 03/84] Fix TC deadlock., Greg KH, (Tue Aug 7, 1:42 pm)

[2.6.22.2 review 04/84] Fix IPCOMP crashes., Greg KH, (Tue Aug 7, 1:42 pm)

[2.6.22.2 review 05/84] Fix deadlocks in sparc serial console., Greg KH, (Tue Aug 7, 1:42 pm)

[2.6.22.2 review 06/84] Add a PCI ID for santa rosas PATA ..., Greg KH, (Tue Aug 7, 1:42 pm)

[2.6.22.2 review 07/84] Missing header include in ipt_ipra ..., Greg KH, (Tue Aug 7, 1:43 pm)

[2.6.22.2 review 08/84] SCTP scope_id handling fix, Greg KH, (Tue Aug 7, 1:43 pm)

[2.6.22.2 review 09/84] Fix rfkill IRQ flags., Greg KH, (Tue Aug 7, 1:43 pm)

[2.6.22.2 review 10/84] gen estimator timer unload race, Greg KH, (Tue Aug 7, 1:43 pm)

[2.6.22.2 review 11/84] gen estimator deadlock fix, Greg KH, (Tue Aug 7, 1:43 pm)

[2.6.22.2 review 12/84] Fix error queue socket lookup in ipv6, Greg KH, (Tue Aug 7, 1:43 pm)

[2.6.22.2 review 13/84] Fix ipv6 link down handling., Greg KH, (Tue Aug 7, 1:43 pm)

[2.6.22.2 review 14/84] Netpoll leak, Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 15/84] Sparc64 bootup assembler bug, Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 16/84] Fix ipv6 tunnel endianness bug., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 17/84] Fix sparc32 memset(), Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 18/84] Fix sparc32 udelay() rounding errors., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 19/84] Fix TCP IPV6 MD5 bug., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 20/84] KVM: SVM: Reliably detect if SVM w ..., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 21/84] USB: fix warning caused by autosus ..., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 22/84] usb-serial: Fix edgeport regressio ..., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 23/84] Fix reported task file values in s ..., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 24/84] aacraid: fix security hole, Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 25/84] firewire: fw-sbp2: set correct max ..., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 26/84] make timerfd return a u64 and fix ..., Greg KH, (Tue Aug 7, 1:44 pm)

[2.6.22.2 review 27/84] V4L: Add check for valid control I ..., Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 28/84] V4L: ivtv: fix broken VBI output s ..., Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 29/84] V4L: ivtv: fix DMA timeout when ca ..., Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 30/84] V4L: ivtv: Add locking to ensure s ..., Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 31/84] V4L: wm8775/wm8739: Fix memory lea ..., Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 32/84] Input: lifebook - fix an oops on P ..., Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 33/84] splice: fix double page unlock, Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 34/84] drm/i915: Fix i965 secured batchbu ..., Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 35/84] Fix leak on /proc/lockdep_stats, Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 35/84] Fix leak on /proc/lockdep_stats, Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 36/84] CPU online file permission, Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 37/84] Fix user struct leakage with locke ..., Greg KH, (Tue Aug 7, 1:45 pm)

[2.6.22.2 review 38/84] md: handle writes to broken raid10 ..., Greg KH, (Tue Aug 7, 1:46 pm)

[2.6.22.2 review 39/84] md: raid10: fix use-after-free of bio, Greg KH, (Tue Aug 7, 1:46 pm)

[2.6.22.2 review 40/84] pcmcia: give socket time to power down, Greg KH, (Tue Aug 7, 1:46 pm)

[2.6.22.2 review 41/84] Fix leaks on /proc/{*/sched, sched ..., Greg KH, (Tue Aug 7, 1:46 pm)

[2.6.22.2 review 42/84] futex: pass nr_wake2 to futex_wake_op, Greg KH, (Tue Aug 7, 1:46 pm)

[2.6.22.2 review 43/84] "ext4_ext_put_in_cache" uses __u32 ..., Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 44/84] Include serial_reg.h with userspac ..., Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 45/84] dm io: fix panic on large request, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 46/84] i386: HPET, check if the counter works, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 47/84] fw-ohci: fix "scheduling while atomic", Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 48/84] firewire: fix memory leak of fw_re ..., Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 49/84] softmac: Fix ESSID problem, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 50/84] eCryptfs: ecryptfs_setattr() bugfix, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 51/84] nfsd: fix possible read-ahead cach ..., Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 52/84] readahead: MIN_RA_PAGES/MAX_RA_PAG ..., Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 53/84] fs: 9p/conv.c error path fix, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 54/84] forcedeth bug fix: cicada phy, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 55/84] forcedeth bug fix: vitesse phy, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 56/84] forcedeth bug fix: realtek phy, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 57/84] acpi-cpufreq: Proper ReadModifyWri ..., Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 58/84] jbd commit: fix transaction dropping, Greg KH, (Tue Aug 7, 1:47 pm)

[2.6.22.2 review 59/84] jbd2 commit: fix transaction dropping, Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 60/84] hugetlb: fix race in alloc_fresh_h ..., Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 61/84] do not limit locked memory when RL ..., Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 62/84] uml: limit request size on COWed d ..., Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 63/84] sony-laptop: fix bug in event handling, Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 64/84] destroy_workqueue() can livelock, Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 65/84] drivers/video/macmodes.c:mac_find_ ..., Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 66/84] cfq-iosched: fix async queue behaviour, Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 67/84] libata: add FUJITSU MHV2080BH to N ..., Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 68/84] ieee1394: revert "sbp2: enforce 32 ..., Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 69/84] nfsd: fix possible oops on re-inse ..., Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 70/84] dm raid1: fix status, Greg KH, (Tue Aug 7, 1:48 pm)

[2.6.22.2 review 71/84] dm io: fix another panic on large ..., Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 72/84] dm snapshot: permit invalid activation, Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 73/84] dm: disable barriers, Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 74/84] cr_backlight_probe() allocates too ..., Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 75/84] ACPI: dock: fix opps after dock dr ..., Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 76/84] Hangup TTY before releasing rfcomm_dev, Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 77/84] Keep rfcomm_dev on the list until ..., Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 78/84] nf_conntrack: dont track locally g ..., Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 79/84] IPV6: /proc/net/anycast6 unbalance ..., Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 80/84] sysfs: release mutex when kmalloc( ..., Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 81/84] Netfilter: Fix logging regression, Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 82/84] USB: fix for ftdi_sio quirk handling, Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 83/84] sx: switch subven and subid values, Greg KH, (Tue Aug 7, 1:49 pm)

[2.6.22.2 review 84/84] UML: exports for hostfs, Greg KH, (Tue Aug 7, 1:49 pm)

Re: [2.6.22.2 review 00/84] 2.6.22.2 -stable review, Greg KH, (Tue Aug 7, 2:11 pm)

Re: [2.6.22.2 review 09/84] Fix rfkill IRQ flags., Jan Engelhardt, (Tue Aug 7, 2:37 pm)

Re: [2.6.22.2 review 18/84] Fix sparc32 udelay() rounding ..., Jan Engelhardt, (Tue Aug 7, 2:41 pm)

Re: [2.6.22.2 review 26/84] make timerfd return a u64 and ..., Jan Engelhardt, (Tue Aug 7, 2:44 pm)

Re: [2.6.22.2 review 06/84] Add a PCI ID for santa rosas P ..., Chr, (Tue Aug 7, 4:39 pm)

Re: [2.6.22.2 review 09/84] Fix rfkill IRQ flags., Alexey Dobriyan, (Wed Aug 8, 10:24 pm)

Re: [2.6.22.2 review 06/84] Add a PCI ID for santa rosas P ..., Andrew Morton, (Thu Aug 9, 12:39 pm)

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