Patch "net: mana: select PAGE_POOL" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    net: mana: select PAGE_POOL

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-mana-select-page_pool.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 3a47c87e4cf70c735b78aba440426bf188e1ccba
Author: Yury Norov <yury.norov@xxxxxxxxx>
Date:   Fri Dec 15 12:33:53 2023 -0800

    net: mana: select PAGE_POOL
    
    [ Upstream commit 340943fbff3d8faa44d2223ca04917df28786a07 ]
    
    Mana uses PAGE_POOL API. x86_64 defconfig doesn't select it:
    
    ld: vmlinux.o: in function `mana_create_page_pool.isra.0':
    mana_en.c:(.text+0x9ae36f): undefined reference to `page_pool_create'
    ld: vmlinux.o: in function `mana_get_rxfrag':
    mana_en.c:(.text+0x9afed1): undefined reference to `page_pool_alloc_pages'
    make[3]: *** [/home/yury/work/linux/scripts/Makefile.vmlinux:37: vmlinux] Error 1
    make[2]: *** [/home/yury/work/linux/Makefile:1154: vmlinux] Error 2
    make[1]: *** [/home/yury/work/linux/Makefile:234: __sub-make] Error 2
    make[1]: Leaving directory '/home/yury/work/build-linux-x86_64'
    make: *** [Makefile:234: __sub-make] Error 2
    
    So we need to select it explicitly.
    
    Signed-off-by: Yury Norov <yury.norov@xxxxxxxxx>
    Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
    Tested-by: Simon Horman <horms@xxxxxxxxxx> # build-tested
    Fixes: ca9c54d2 ("net: mana: Add a driver for Microsoft Azure Network Adapter")
    Link: https://lore.kernel.org/r/20231215203353.635379-1-yury.norov@xxxxxxxxx
    Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/ethernet/microsoft/Kconfig b/drivers/net/ethernet/microsoft/Kconfig
index fe4e7a7d9c0b5..8b6c4cc37c53c 100644
--- a/drivers/net/ethernet/microsoft/Kconfig
+++ b/drivers/net/ethernet/microsoft/Kconfig
@@ -19,6 +19,7 @@ config MICROSOFT_MANA
 	tristate "Microsoft Azure Network Adapter (MANA) support"
 	depends on PCI_MSI && X86_64
 	depends on PCI_HYPERV
+	select PAGE_POOL
 	help
 	  This driver supports Microsoft Azure Network Adapter (MANA).
 	  So far, the driver is only supported on X86_64.




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