Re: [PATCH 10/19] perf ftrace: add support for trace option funcgraph-tail

2020-05-30 Thread Namhyung Kim
On Thu, May 21, 2020 at 6:05 AM Arnaldo Carvalho de Melo wrote: > > Em Sun, May 10, 2020 at 11:06:19PM +0800, Changbin Du escreveu: > > This adds an option '--funcgraph-tail' for function graph tracer. > > And I think we should make these available in a compact way, as Intel PT > has, i.e. instead

Re: memory leak in hidg_set_alt

2020-05-30 Thread Greg KH
On Sat, May 30, 2020 at 05:18:06PM +, Kyungtae Kim wrote: > We report a bug (in linux-5.6.11) found by FuzzUSB (a modified version > of syzkaller) > > kernel config: https://kt0755.github.io/etc/config_v5.6.11 > > An usb_request instance allocated for report in hidg_set_alt() leaked. > > ===

Re: memory leak in usb_copy_descriptors

2020-05-30 Thread Greg KH
On Sat, May 30, 2020 at 06:25:02PM +, Kyungtae Kim wrote: > We report a bug (in linux-5.6.11) found by FuzzUSB (a modified version > of syzkaller) > > kernel config: https://kt0755.github.io/etc/config_v5.6.11 > > A USB descriptor held by fs_descriotors in usb_function leaked. > > ==

Re: [PATCH] drivers: usb: core: driver: fixed 80 line character length issue

2020-05-30 Thread Greg KH
On Sun, May 31, 2020 at 07:20:06AM +0530, Lokesh Chebrolu wrote: > From: lokeshch007 This has to match the s-o-b line > > Fixed a coding style issue What issue? > > Signed-off-by: Lokesh Chebrolu > --- > drivers/usb/core/driver.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-)

Re: [PATCH] mm/gup: documentation fix for pin_user_pages*() APIs

2020-05-30 Thread Souptick Joarder
On Fri, May 29, 2020 at 2:41 PM David Hildenbrand wrote: > > On 29.05.20 10:45, John Hubbard wrote: > > All of the pin_user_pages*() API calls will cause pages to be > > dma-pinned. As such, they are all suitable for either DMA, RDMA, > > and/or Direct IO. The documentation should say so, but it w

Re: [PATCH 1/2] mm/gup: introduce pin_user_pages_locked()

2020-05-30 Thread Souptick Joarder
On Thu, May 28, 2020 at 4:02 AM John Hubbard wrote: > > Introduce pin_user_pages_locked(), which is nearly identical to > get_user_pages_locked() except that it sets FOLL_PIN and rejects > FOLL_GET. > > Signed-off-by: John Hubbard > --- > include/linux/mm.h | 2 ++ > mm/gup.c | 30 +++

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