linux/arch
Thomas Gleixner 8f34c5b5af x86/exceptions: Make IST index zero based
The defines for the exception stack (IST) array in the TSS are using the
SDM convention IST1 - IST7. That causes all sorts of code to subtract 1 for
array indices related to IST. That's confusing at best and does not provide
any value.

Make the indices zero based and fixup the usage sites. The only code which
needs to adjust the 0 based index is the interrupt descriptor setup which
needs to add 1 now.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Baoquan He <bhe@redhat.com>
Cc: "Chang S. Bae" <chang.seok.bae@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Dou Liyang <douly.fnst@cn.fujitsu.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: linux-doc@vger.kernel.org
Cc: Nicolai Stange <nstange@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qian Cai <cai@lca.pw>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190414160144.331772825@linutronix.de
2019-04-17 12:48:00 +02:00
..
alpha KVM: export <linux/kvm_para.h> and <asm/kvm_para.h> iif KVM is supported 2019-03-28 17:27:42 +01:00
arc syscalls: Remove start and number from syscall_get_arguments() args 2019-04-05 09:26:43 -04:00
arm ARM: SoC fixes 2019-04-07 13:46:17 -10:00
arm64 arm64: futex: Fix FUTEX_WAKE_OP atomic ops with non-zero result value 2019-04-12 15:04:33 +01:00
c6x syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
csky syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
h8300 syscalls: Remove start and number from syscall_get_arguments() args 2019-04-05 09:26:43 -04:00
hexagon syscalls: Remove start and number from syscall_get_arguments() args 2019-04-05 09:26:43 -04:00
ia64 syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
m68k KVM: export <linux/kvm_para.h> and <asm/kvm_para.h> iif KVM is supported 2019-03-28 17:27:42 +01:00
microblaze syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
mips A few minor MIPS fixes: 2019-04-09 16:27:18 -10:00
nds32 syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
nios2 syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
openrisc syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
parisc parisc: Detect QEMU earlier in boot process 2019-04-06 19:07:55 +02:00
powerpc powerpc fixes for 5.1 #5 2019-04-13 09:03:09 -07:00
riscv Andy Lutomirski approached me to tell me that the syscall_get_arguments() 2019-04-05 13:15:57 -10:00
s390 syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
sh Merge branch 'akpm' (patches from Andrew) 2019-04-05 17:08:55 -10:00
sparc sparc64/pci_sun4v: fix ATU checks for large DMA masks 2019-04-10 21:42:04 +02:00
um syscalls: Remove start and number from syscall_set_arguments() args 2019-04-05 09:27:23 -04:00
unicore32 KVM: export <linux/kvm_para.h> and <asm/kvm_para.h> iif KVM is supported 2019-03-28 17:27:42 +01:00
x86 x86/exceptions: Make IST index zero based 2019-04-17 12:48:00 +02:00
xtensa xtensa fixes for v5.1-rc5 2019-04-08 17:04:42 -10:00
.gitignore
Kconfig Char/Misc driver patches for 5.1-rc1 2019-03-06 14:18:59 -08:00