Re: [PATCH v7 2/5] dma-buf: heaps: Move heap-helper logic into the cma_heap implementation

[Guenter Roeck]

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

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# bad: [9317f948b0b188b8d2fded75957e6d42c460df1b] Add linux-next specific files for 20201215
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# good: [6f2d5cf9756dab190e79edd4ec098c81dca6743c] net: stmmac: simplify the return dwmac5_rxp_disable()
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# bad: [fef5fe5f601c5826083b81837800b8b99570bfb0] Merge remote-tracking branch 'drm-misc/for-linux-next'
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# good: [5bb0c4b5eb61d939fed0b27d11fb91fb85769c9a] ice, xsk: Move Rx allocation out of while-loop
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# good: [3a9ec563a4ff770ae647f6ee539810f1866866c9] drm/i915/icl: Fix initing the DSI DSC power refcount during HW readout
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# bad: [2c3a1e49696fd05b52ec5eeb7c006ac32724c915] video: fbdev: lxfb_ops: Fix fall-through warnings for Clang
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# good: [2ac5ef3b23629e9740000948c48f4141bacb5abb] drm: document drm_mode_get_connector
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# 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
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# 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