A dump kernel is neither required nor able to support Secure Execution.
Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
sclp_early_read_info();
setup_boot_command_line();
parse_boot_command_line();
+ sanitize_prot_virt_host();
setup_ident_map_size(detect_memory());
setup_vmalloc_size();
setup_kernel_memory_layout();
// SPDX-License-Identifier: GPL-2.0
#include <asm/uv.h>
+#include <asm/boot_data.h>
#include <asm/facility.h>
#include <asm/sections.h>
+#include "boot.h"
#include "uv.h"
/* will be used in arch/s390/kernel/uv.c */
if (has_uv_sec_stor_limit())
*vmax = min_t(unsigned long, *vmax, uv_info.max_sec_stor_addr);
}
+
+void sanitize_prot_virt_host(void)
+{
+ if (OLDMEM_BASE || (ipl_block_valid && is_ipl_block_dump()))
+ prot_virt_host = 0;
+}
#endif
#if IS_ENABLED(CONFIG_KVM)
void adjust_to_uv_max(unsigned long *vmax);
+void sanitize_prot_virt_host(void);
#else
static inline void adjust_to_uv_max(unsigned long *vmax) {}
+static inline void sanitize_prot_virt_host(void) {}
#endif
#if defined(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) || IS_ENABLED(CONFIG_KVM)