Searched hist:"742 aed05af97dc5ba6c53a4b6cb6a7b31e32f9e9" (Results 1 – 3 of 3) sorted by relevance
| /linux/arch/s390/kernel/ |
| H A D | nmi.c | diff 742aed05af97dc5ba6c53a4b6cb6a7b31e32f9e9 Tue Nov 29 17:22:14 CET 2022 Heiko Carstens <hca@linux.ibm.com> s390/nmi: move storage error checking back to C, enter with DAT on
Checking for storage errors in machine check entry code was done in order
to handle also storage errors on kernel page tables. However this is
extremely unlikely and some basic assumptions what works on machine check
entry are necessary anyway. In order to simplify machine check handling
delay checking for storage errors to C code.
With this also change the machine check new PSW to have DAT on, which
simplifies the entry code even further.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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| H A D | entry.S | diff 742aed05af97dc5ba6c53a4b6cb6a7b31e32f9e9 Tue Nov 29 17:22:14 CET 2022 Heiko Carstens <hca@linux.ibm.com> s390/nmi: move storage error checking back to C, enter with DAT on
Checking for storage errors in machine check entry code was done in order
to handle also storage errors on kernel page tables. However this is
extremely unlikely and some basic assumptions what works on machine check
entry are necessary anyway. In order to simplify machine check handling
delay checking for storage errors to C code.
With this also change the machine check new PSW to have DAT on, which
simplifies the entry code even further.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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| H A D | setup.c | diff 742aed05af97dc5ba6c53a4b6cb6a7b31e32f9e9 Tue Nov 29 17:22:14 CET 2022 Heiko Carstens <hca@linux.ibm.com> s390/nmi: move storage error checking back to C, enter with DAT on
Checking for storage errors in machine check entry code was done in order
to handle also storage errors on kernel page tables. However this is
extremely unlikely and some basic assumptions what works on machine check
entry are necessary anyway. In order to simplify machine check handling
delay checking for storage errors to C code.
With this also change the machine check new PSW to have DAT on, which
simplifies the entry code even further.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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