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s390 updates for 5.2-rc6

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- Disable address-of-packed-member warning in s390 specific boot code
    to get rid of a gcc9 warning which otherwise is already disabled
    for the whole kernel.
 
  - Fix yet another compiler error seen with CONFIG_OPTIMIZE_INLINING
    enabled.
 
  - Fix memory leak in vfio-ccw code on module exit.
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Merge tag 's390-5.2-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Heiko Carstens:

 - Disable address-of-packed-member warning in s390 specific boot code
   to get rid of a gcc9 warning which otherwise is already disabled for
   the whole kernel.

 - Fix yet another compiler error seen with CONFIG_OPTIMIZE_INLINING
   enabled.

 - Fix memory leak in vfio-ccw code on module exit.

* tag 's390-5.2-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  vfio-ccw: Destroy kmem cache region on module exit
  s390/ctl_reg: mark __ctl_set_bit and __ctl_clear_bit as __always_inline
  s390/boot: disable address-of-packed-member warning
This commit is contained in:
Linus Torvalds 2019-06-20 12:03:41 -07:00
commit a409de6162
3 changed files with 4 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

1
arch/s390/Makefile
View file

@ -30,6 +30,7 @@ KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float
KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-option,-ffreestanding)
KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-member)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
UTS_MACHINE := s390x

4
arch/s390/include/asm/ctl_reg.h
View file

@ -55,7 +55,7 @@
: "i" (low), "i" (high)); \
} while (0)
static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
static __always_inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
{
unsigned long reg;
@ -64,7 +64,7 @@ static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
__ctl_load(reg, cr, cr);
}
static inline void __ctl_clear_bit(unsigned int cr, unsigned int bit)
static __always_inline void __ctl_clear_bit(unsigned int cr, unsigned int bit)
{
unsigned long reg;

1
drivers/s390/cio/vfio_ccw_drv.c
View file

@ -299,6 +299,7 @@ static void __exit vfio_ccw_sch_exit(void)
css_driver_unregister(&vfio_ccw_sch_driver);
isc_unregister(VFIO_CCW_ISC);
kmem_cache_destroy(vfio_ccw_io_region);
kmem_cache_destroy(vfio_ccw_cmd_region);
destroy_workqueue(vfio_ccw_work_q);
}
module_init(vfio_ccw_sch_init);