linux-kernel - Re: [PATCH v7 2/5] dma-buf: heaps: Move heap-helper logic into the cma

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20201215235334.GA227480@roeck-us.net>
Date:   Tue, 15 Dec 2020 15:53:34 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     John Stultz <john.stultz@...aro.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Liam Mark <lmark@...eaurora.org>,
        Laura Abbott <labbott@...nel.org>,
        Brian Starkey <Brian.Starkey@....com>,
        Hridya Valsaraju <hridya@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Sandeep Patil <sspatil@...gle.com>,
        Daniel Mentz <danielmentz@...gle.com>,
        Chris Goldsworthy <cgoldswo@...eaurora.org>,
        Ørjan Eide <orjan.eide@....com>,
        Robin Murphy <robin.murphy@....com>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Simon Ser <contact@...rsion.fr>,
        James Jones <jajones@...dia.com>, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v7 2/5] dma-buf: heaps: Move heap-helper logic into the
 cma_heap implementation

On Sat, Nov 21, 2020 at 11:49:59PM +0000, John Stultz wrote:
> Since the heap-helpers logic ended up not being as generic as
> hoped, move the heap-helpers dma_buf_ops implementations into
> the cma_heap directly.
> 
> This will allow us to remove the heap_helpers code in a following
> patch.
> 

mips:allmodconfig:

drivers/dma-buf/heaps/cma_heap.c: In function 'cma_heap_do_vmap':
drivers/dma-buf/heaps/cma_heap.c:195:10: error: implicit declaration of function 'vmap'

Bisect log attached.

Guenter

---
# bad: [9317f948b0b188b8d2fded75957e6d42c460df1b] Add linux-next specific files for 20201215
# good: [2c85ebc57b3e1817b6ce1a6b703928e113a90442] Linux 5.10
git bisect start 'HEAD' 'v5.10'
# good: [8357e709304f1791b390c34f63cd00cb434a9ea9] Merge remote-tracking branch 'pm/linux-next'
git bisect good 8357e709304f1791b390c34f63cd00cb434a9ea9
# bad: [e43c4376b37c58a054444fe2f512aebfc7362306] Merge remote-tracking branch 'tomoyo/master'
git bisect bad e43c4376b37c58a054444fe2f512aebfc7362306
# good: [6f2d5cf9756dab190e79edd4ec098c81dca6743c] net: stmmac: simplify the return dwmac5_rxp_disable()
git bisect good 6f2d5cf9756dab190e79edd4ec098c81dca6743c
# bad: [fef5fe5f601c5826083b81837800b8b99570bfb0] Merge remote-tracking branch 'drm-misc/for-linux-next'
git bisect bad fef5fe5f601c5826083b81837800b8b99570bfb0
# good: [5bb0c4b5eb61d939fed0b27d11fb91fb85769c9a] ice, xsk: Move Rx allocation out of while-loop
git bisect good 5bb0c4b5eb61d939fed0b27d11fb91fb85769c9a
# good: [b54139eb968d982bfd5f451a8d143f3f6cdd82cf] Merge remote-tracking branch 'mtd/mtd/next'
git bisect good b54139eb968d982bfd5f451a8d143f3f6cdd82cf
# good: [f42a3d780d2ff7a122b089460f4bfbe402b4e27e] Merge remote-tracking branch 'amdgpu/drm-next'
git bisect good f42a3d780d2ff7a122b089460f4bfbe402b4e27e
# good: [3a9ec563a4ff770ae647f6ee539810f1866866c9] drm/i915/icl: Fix initing the DSI DSC power refcount during HW readout
git bisect good 3a9ec563a4ff770ae647f6ee539810f1866866c9
# bad: [2c3a1e49696fd05b52ec5eeb7c006ac32724c915] video: fbdev: lxfb_ops: Fix fall-through warnings for Clang
git bisect bad 2c3a1e49696fd05b52ec5eeb7c006ac32724c915
# good: [2ac5ef3b23629e9740000948c48f4141bacb5abb] drm: document drm_mode_get_connector
git bisect good 2ac5ef3b23629e9740000948c48f4141bacb5abb
# good: [2b6cb81b95d1e8abfb6d32cf194a5bd2992c315c] drm/meson: dw-hdmi: Enable the iahb clock early enough
git bisect good 2b6cb81b95d1e8abfb6d32cf194a5bd2992c315c
# bad: [4c68e499bb9d6d9ec3e18fcb2f68641abb22464a] dma-buf: heaps: Skip sync if not mapped
git bisect bad 4c68e499bb9d6d9ec3e18fcb2f68641abb22464a
# bad: [a5d2d29e24be8967ef78a1b1fb2292413e3b3df9] dma-buf: heaps: Move heap-helper logic into the cma_heap implementation
git bisect bad a5d2d29e24be8967ef78a1b1fb2292413e3b3df9
# good: [3812957587923ca325308ed9c4a5be5ca935e903] dma-buf: system_heap: Rework system heap to use sgtables instead of pagelists
git bisect good 3812957587923ca325308ed9c4a5be5ca935e903
# first bad commit: [a5d2d29e24be8967ef78a1b1fb2292413e3b3df9] dma-buf: heaps: Move heap-helper logic into the cma_heap implementation