From: Greg KH <gregkh@linuxfoundation.org>
To: Jonathan Nieder <jrnieder@gmail.com>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
torvalds@linux-foundation.org, akpm@linux-foundation.org,
alan@lxorguk.ukuu.org.uk, "H. Peter Anvin" <hpa@zytor.com>,
Oleg Nesterov <oleg@redhat.com>,
Roland McGrath <roland@hack.frob.com>
Subject: Re: [ 17/68] regset: Return -EFAULT, not -EIO, on host-side memory fault
Date: Fri, 9 Mar 2012 12:41:50 -0800 [thread overview]
Message-ID: <20120309204150.GA2125@kroah.com> (raw)
In-Reply-To: <20120309203446.GB23244@burratino>
On Fri, Mar 09, 2012 at 02:34:46PM -0600, Jonathan Nieder wrote:
> Greg KH wrote:
>
> > 3.0-stable review patch. If anyone has any objections, please let me know.
> >
> > ------------------
> >
> > From: "H. Peter Anvin" <hpa@zytor.com>
> >
> > commit 5189fa19a4b2b4c3bec37c3a019d446148827717 upstream.
> >
> > There is only one error code to return for a bad user-space buffer
> > pointer passed to a system call in the same address space as the
> > system call is executed, and that is EFAULT.
>
> I don't think this has the potential to cause regressions, and it
> certainly makes things saner, so from that point of view it looks
> good.
"making things sane" is good enough for me :)
> Part of the reason I am asking is to figure out whether the patch
> ought to be applied to 2.6.32.y, too.
Why do you think it should not be?
thanks,
greg k-h
next prev parent reply other threads:[~2012-03-09 20:41 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-09 19:44 [ 00/68] 3.0.24-stable review Greg KH
2012-03-09 19:02 ` [ 01/68] autofs: work around unhappy compat problem on x86-64 Greg KH
2012-03-09 19:02 ` [ 02/68] Fix autofs compile without CONFIG_COMPAT Greg KH
2012-03-09 19:02 ` [ 03/68] compat: fix compile breakage on s390 Greg KH
2012-03-09 19:02 ` [ 04/68] drm/i915: Prevent a machine hang by checking crtc->active before loading lut Greg KH
2012-03-09 19:02 ` [ 05/68] ARM: LPC32xx: serial.c: HW bug workaround Greg KH
2012-03-09 19:02 ` [ 06/68] ARM: LPC32xx: serial.c: Fixed loop limit Greg KH
2012-03-09 19:02 ` [ 07/68] ARM: LPC32xx: irq.c: Clear latched event Greg KH
2012-03-09 19:02 ` [ 08/68] ARM: LPC32xx: Fix interrupt controller init Greg KH
2012-03-09 19:02 ` [ 09/68] ARM: LPC32xx: Fix irq on GPI_28 Greg KH
2012-03-09 19:02 ` [ 10/68] watchdog: hpwdt: clean up set_memory_x call for 32 bit Greg KH
2012-03-09 19:02 ` [ 11/68] i2c: mxs: only flag completion when queue is completely done Greg KH
2012-03-09 19:02 ` [ 12/68] regulator: fix the ldo configure according to 88pm860x spec Greg KH
2012-03-09 19:02 ` [ 13/68] S390: KEYS: Enable the compat keyctl wrapper on s390x Greg KH
2012-03-09 19:02 ` [ 14/68] ALSA: hda - Add a fake mute feature Greg KH
2012-03-09 19:02 ` [ 15/68] ALSA: hda - Always set HP pin in unsol handler for STAC/IDT codecs Greg KH
2012-03-09 19:02 ` [ 16/68] regset: Prevent null pointer reference on readonly regsets Greg KH
2012-03-09 19:02 ` [ 17/68] regset: Return -EFAULT, not -EIO, on host-side memory fault Greg KH
2012-03-09 20:34 ` Jonathan Nieder
2012-03-09 20:41 ` Greg KH [this message]
2012-03-09 20:52 ` Jonathan Nieder
2012-03-09 19:02 ` [ 18/68] mfd: Fix ACPI conflict check Greg KH
2012-03-09 19:02 ` [ 19/68] genirq: Clear action->thread_mask if IRQ_ONESHOT is not set Greg KH
2012-03-09 19:02 ` [ 20/68] ARM: S3C24XX: DMA resume regression fix Greg KH
2012-03-09 19:02 ` [ 21/68] Move Logitech Harmony 900 from cdc_ether to zaurus Greg KH
2012-03-09 19:02 ` [ 22/68] alpha: fix 32/64-bit bug in futex support Greg KH
2012-03-09 19:02 ` [ 23/68] mmc: sdhci-esdhc-imx: fix for mmc cards on i.MX5 Greg KH
2012-03-09 19:02 ` [ 24/68] mm: memcg: Correct unregistring of events attached to the same eventfd Greg KH
2012-03-09 19:02 ` [ 25/68] NOMMU: Dont need to clear vm_mm when deleting a VMA Greg KH
2012-03-09 19:02 ` [ 26/68] cifs: fix dentry refcount leak when opening a FIFO on lookup Greg KH
2012-03-09 19:02 ` [ 27/68] mac80211: zero initialize count field in ieee80211_tx_rate Greg KH
2012-03-09 19:02 ` [ 28/68] ath9k_hw: prevent writes to const data on AR9160 Greg KH
2012-03-09 19:02 ` [ 29/68] kprobes: return proper error code from register_kprobe() Greg KH
2012-03-12 4:57 ` Jonathan Nieder
2012-03-12 17:31 ` Greg KH
2012-03-09 19:02 ` [ 30/68] mm: thp: fix BUG on mm->nr_ptes Greg KH
2012-03-09 19:02 ` [ 31/68] HID: usbhid: Add NOGET quirk for the AIREN Slim+ keyboard Greg KH
2012-03-09 19:02 ` [ 32/68] crypto: mv_cesa - fix final callback not ignoring input data Greg KH
2012-03-09 19:02 ` [ 33/68] [SCSI] osd_uld: Bump MAX_OSD_DEVICES from 64 to 1,048,576 Greg KH
2012-03-09 19:02 ` [ 34/68] ASoC: dapm: Check for bias level when powering down Greg KH
2012-03-09 19:02 ` [ 35/68] ASoC: i.MX SSI: Fix DSP_A format Greg KH
2012-03-09 19:02 ` [ 36/68] bsg: fix sysfs link remove warning Greg KH
2012-03-09 19:02 ` [ 37/68] ACPI / PM: Do not save/restore NVS on Asus K54C/K54HR Greg KH
2012-03-09 19:02 ` [ 38/68] avr32: select generic atomic64_t support Greg KH
2012-03-09 19:02 ` [ 39/68] kprobes: adjust "fix a memory leak in function pre_handler_kretprobe()" Greg KH
2012-03-09 19:02 ` [ 40/68] drm/i915: gen7: implement rczunit workaround Greg KH
2012-03-09 19:02 ` [ 41/68] drm/i915: gen7: Implement an L3 caching workaround Greg KH
2012-03-09 19:02 ` [ 42/68] drm/i915: gen7: work around a system hang on IVB Greg KH
2012-03-09 19:02 ` [ 43/68] drm/i915: gen7: Disable the RHWO optimization as it can cause GPU hangs Greg KH
2012-03-09 19:02 ` [ 44/68] ARM: orion: Fix USB phy for orion5x Greg KH
2012-03-09 19:02 ` [ 45/68] ARM: orion: Fix Orion5x GPIO regression from MPP cleanup Greg KH
2012-03-09 19:03 ` [ 46/68] OMAP: DSS2: HDMI: use default dividers Greg KH
2012-03-09 19:03 ` [ 47/68] OMAP: 4430SDP/Panda: use gpio_free_array to free HDMI gpios Greg KH
2012-03-09 19:03 ` [ 48/68] OMAP: 4430SDP/Panda: rename HPD GPIO to CT_CP_HPD Greg KH
2012-03-09 19:03 ` [ 49/68] OMAPDSS: remove wrong HDMI HPD muxing Greg KH
2012-03-09 19:03 ` [ 50/68] OMAP: 4430SDP/Panda: setup HDMI GPIO muxes Greg KH
2012-03-09 19:03 ` [ 51/68] OMAP: 4430SDP/Panda: add HDMI HPD gpio Greg KH
2012-03-09 19:03 ` [ 52/68] OMAPDSS: HDMI: PHY burnout fix Greg KH
2012-03-09 19:03 ` [ 53/68] ARM: 7345/1: errata: update workaround for A9 erratum #743622 Greg KH
2012-03-09 19:03 ` [ 54/68] media: staging: lirc_serial: Fix init/exit order Greg KH
2012-03-09 19:03 ` [ 55/68] media: staging: lirc_serial: Free resources on failure paths of lirc_serial_probe() Greg KH
2012-03-09 19:03 ` [ 56/68] media: staging: lirc_serial: Fix deadlock on resume failure Greg KH
2012-03-09 19:03 ` [ 57/68] media: staging: lirc_serial: Do not assume error codes returned by request_irq() Greg KH
2012-03-09 19:03 ` [ 58/68] Input: ALPS - fix touchpad detection when buttons are pressed Greg KH
2012-03-09 19:03 ` [ 59/68] hwmon: (pmbus_core) Fix maximum number of POUT alarm attributes Greg KH
2012-03-09 19:03 ` [ 60/68] hwmon: (jc42) Add support for ST Microelectronics STTS2002 and STTS3000 Greg KH
2012-03-09 19:03 ` [ 61/68] hwmon: (jc42) Add support for AT30TS00, TS3000GB2, TSE2002GB2, and MCP9804 Greg KH
2012-03-09 19:03 ` [ 62/68] carl9170: Fix memory accounting when sta is in power-save mode Greg KH
2012-03-09 19:03 ` [ 63/68] drm/radeon/kms: set SX_MISC in the r6xx blit code (v2) Greg KH
2012-03-09 19:03 ` [ 64/68] net/usbnet: avoid recursive locking in usbnet_stop() Greg KH
2012-03-09 19:03 ` [ 65/68] dm io: fix discard support Greg KH
2012-03-09 19:03 ` [ 66/68] dm raid: fix flush support Greg KH
2012-03-09 19:03 ` [ 67/68] cs5535-mfgpt: dont call __init function from __devinit Greg KH
2012-03-09 19:03 ` [ 68/68] mfd: Fix cs5535 section mismatch Greg KH
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