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| author | Richard Weinberger <richard@nod.at> | 2020-10-11 22:07:52 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2020-10-11 22:07:52 +0200 |
| commit | 80510e25522949711410b37a7864f1b2d98215d8 (patch) | |
| tree | f3fb37900167a09da585169f68ceea7ee957f9d8 /arch/s390/mm/fault.c | |
| parent | Merge tag 'nand/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mt... (diff) | |
| parent | Revert "mtd: spi-nor: Prefer asynchronous probe" (diff) | |
| download | linux-80510e25522949711410b37a7864f1b2d98215d8.tar.xz linux-80510e25522949711410b37a7864f1b2d98215d8.zip | |
Merge tag 'spi-nor/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
SPI NOR core changes:
- Support for Winbond w25q64jwm flash
- Enable 4K sector support for mx25l12805d
SPI NOR controller drivers changes:
- intel-spi:
- Add Alder Lake-S PCI ID
Diffstat (limited to 'arch/s390/mm/fault.c')
| -rw-r--r-- | arch/s390/mm/fault.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 4c8c063bce5b..996884dcc9fd 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -859,6 +859,21 @@ void do_non_secure_storage_access(struct pt_regs *regs) } NOKPROBE_SYMBOL(do_non_secure_storage_access); +void do_secure_storage_violation(struct pt_regs *regs) +{ + /* + * Either KVM messed up the secure guest mapping or the same + * page is mapped into multiple secure guests. + * + * This exception is only triggered when a guest 2 is running + * and can therefore never occur in kernel context. + */ + printk_ratelimited(KERN_WARNING + "Secure storage violation in task: %s, pid %d\n", + current->comm, current->pid); + send_sig(SIGSEGV, current, 0); +} + #else void do_secure_storage_access(struct pt_regs *regs) { @@ -869,4 +884,9 @@ void do_non_secure_storage_access(struct pt_regs *regs) { default_trap_handler(regs); } + +void do_secure_storage_violation(struct pt_regs *regs) +{ + default_trap_handler(regs); +} #endif |