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Commit 7f613c7d authored by Keith Owens's avatar Keith Owens Committed by Tony Luck
Browse files

[PATCH] MCA/INIT: use per cpu stacks 



The bulk of the change.  Use per cpu MCA/INIT stacks.  Change the SAL
to OS state (sos) to be per process.  Do all the assembler work on the
MCA/INIT stacks, leaving the original stack alone.  Pass per cpu state
data to the C handlers for MCA and INIT, which also means changing the
mca_drv interfaces slightly.  Lots of verification on whether the
original stack is usable before converting it to a sleeping process.

Signed-off-by: default avatarKeith Owens <kaos@sgi.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 289d773e

arch/ia64/kernel/asm-offsets.c

+32 −8
Original line number Diff line number Diff line
@@ -211,17 +211,41 @@ void foo(void) 
#endif



	BLANK();

	DEFINE(IA64_MCA_CPU_PROC_STATE_DUMP_OFFSET,

	       offsetof (struct ia64_mca_cpu, proc_state_dump));

	DEFINE(IA64_MCA_CPU_STACK_OFFSET,

	       offsetof (struct ia64_mca_cpu, stack));

	DEFINE(IA64_MCA_CPU_STACKFRAME_OFFSET,

	       offsetof (struct ia64_mca_cpu, stackframe));

	DEFINE(IA64_MCA_CPU_RBSTORE_OFFSET,

	       offsetof (struct ia64_mca_cpu, rbstore));

	DEFINE(IA64_MCA_CPU_MCA_STACK_OFFSET,

	       offsetof (struct ia64_mca_cpu, mca_stack));

	DEFINE(IA64_MCA_CPU_INIT_STACK_OFFSET,

	       offsetof (struct ia64_mca_cpu, init_stack));

	BLANK();

	DEFINE(IA64_SAL_OS_STATE_COMMON_OFFSET,

	       offsetof (struct ia64_sal_os_state, sal_ra));

	DEFINE(IA64_SAL_OS_STATE_OS_GP_OFFSET,

	       offsetof (struct ia64_sal_os_state, os_gp));

	DEFINE(IA64_SAL_OS_STATE_PAL_MIN_STATE_OFFSET,

	       offsetof (struct ia64_sal_os_state, pal_min_state));

	DEFINE(IA64_SAL_OS_STATE_PROC_STATE_PARAM_OFFSET,

	       offsetof (struct ia64_sal_os_state, proc_state_param));

	DEFINE(IA64_SAL_OS_STATE_SIZE,

	       sizeof (struct ia64_sal_os_state));

	DEFINE(IA64_PMSA_GR_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_gr));

	DEFINE(IA64_PMSA_BANK1_GR_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_bank1_gr));

	DEFINE(IA64_PMSA_PR_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_pr));

	DEFINE(IA64_PMSA_BR0_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_br0));

	DEFINE(IA64_PMSA_RSC_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_rsc));

	DEFINE(IA64_PMSA_IIP_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_iip));

	DEFINE(IA64_PMSA_IPSR_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_ipsr));

	DEFINE(IA64_PMSA_IFS_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_ifs));

	DEFINE(IA64_PMSA_XIP_OFFSET,

	       offsetof (struct pal_min_state_area_s, pmsa_xip));

	BLANK();



	/* used by fsys_gettimeofday in arch/ia64/kernel/fsys.S */

	DEFINE(IA64_TIME_INTERPOLATOR_ADDRESS_OFFSET, offsetof (struct time_interpolator, addr));

	DEFINE(IA64_TIME_INTERPOLATOR_SOURCE_OFFSET, offsetof (struct time_interpolator, source));