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df49fd0ff8
Nine small fixes. The resume fix is a cosmetic removal of a warning with an incorrect condition causing it to alarm people wrongly. The other eight patches correct a thinko in Christoph Hellwig's DMA conversion series. Without it all these drivers end up with 32 bit DMA masks meaning they bounce any page over 4GB before sending it to the controller. Nowadays, even laptops mostly have memory above 4GB, so this can lead to significant performance degradation with all the bouncing. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCXHql8CYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishQmvAQCSVQRf kx3ABDGnaj4Km4/Jzibj44aCYwh+ewwtLCWwFQD9GWaEaDxBkbxQDf/YndQKRhYg VJQjjj6a9VlNSmWoW28= =L9Fe -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Nine small fixes. The resume fix is a cosmetic removal of a warning with an incorrect condition causing it to alarm people wrongly. The other eight patches correct a thinko in Christoph Hellwig's DMA conversion series. Without it all these drivers end up with 32 bit DMA masks meaning they bounce any page over 4GB before sending it to the controller. Nowadays, even laptops mostly have memory above 4GB, so this can lead to significant performance degradation with all the bouncing" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: core: Avoid that system resume triggers a kernel warning scsi: hptiop: fix calls to dma_set_mask() scsi: hisi_sas: fix calls to dma_set_mask_and_coherent() scsi: csiostor: fix calls to dma_set_mask_and_coherent() scsi: bfa: fix calls to dma_set_mask_and_coherent() scsi: aic94xx: fix calls to dma_set_mask_and_coherent() scsi: 3w-sas: fix calls to dma_set_mask_and_coherent() scsi: 3w-9xxx: fix calls to dma_set_mask_and_coherent() scsi: lpfc: fix calls to dma_set_mask_and_coherent() |
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.